No, no - official Vista Service Pack 1 is not released yet.
However, Ethan Allen (software quality specialist, Microsoft exworker) has created unofficial Service Pack with about 100 fixes.
Most important of them fix:

  • Windows Media Player memory leaks
  • Problems with playing .mov files in WMP
  • Problems(mainly Bluetooth problems) after “wake-up”
  • Long loading time on IBM and Lenovo computers
  • Problems with installing Vista on computers with more than 3 GB of RAM memory
  • Problems with PCI ExpressCard support
  • Problems with Sony devices support
  • SATA optical drives are not available
  • Antiphishing filter slows down IE7

All hotfixes:

(list from VistaSP1.net)

  1. 925255 - Power consumption increases when you run a WPF-based program that runs an animation in Windows Vista
  2. 925528 - Reliability update for the USB stack in Windows Vista
  3. 927084 - Error message when you try to watch live TV in Windows Media Center on a Windows Vista-based computer: “Restricted Content - Display Driver”
  4. 927341 - The Manage Discs feature in Windows Media Center stops responding after you resume Windows Vista from sleep or hibernation
  5. 927546 - You see only four available wireless network connections when you use a USB-based wireless network adapter in Windows XP or in Windows Vista
  6. 928089 - The computer may respond very slowly as the Phishing Filter evaluates Web page contents in Internet Explorer 7
  7. 928135 - A Windows Vista-based computer stops responding when you resume the computer from hibernation
  8. 928188 - Ink programs may not work correctly on a digitizer in Windows Vista
  9. 928253 - SATA optical drives are not available after you start a Windows Vista-based computer
  10. 929011 - Windows Media Center does not correctly configure a combo TV tuner that supports both ATSC and NTSC signals on a Windows Vista-based computer
  11. 929191 - IBM and Lenovo computers may take longer to start Windows Vista than computers from other manufacturers
  12. 929427 - The Windows Vista Application Compatibility Update
  13. 929451 - A client computer that is running Windows Vista registers an old IP address when the GUID of a network adapter changes
  14. 929478 - After you use the Safely Remove Hardware option to remove a built-in optical drive from a portable Windows Vista-based computer, you may be unable to reconnect the drive
  15. 929550 - When you connect a PCI ExpressCard device to a portable Windows Vista-based computer, the device may not work correctly
  16. 929577 - A Bluetooth device may no longer work correctly when you wake a Windows Vista-based computer from sleep
  17. 929615 - You may not receive audio in the desired language when you use Windows Media Center to view television in Windows Vista
  18. 929685 - A high definition audio device may no longer work after you resume Windows Vista from sleep or from hibernation and then restart the computer
  19. 929734 - You may experience problems after you resume a Windows Vista-based computer from sleep or from hibernation
  20. 929735 - You may not find the file that you want when you use Advanced Search to search by date and you use a non-Gregorian calendar format in Windows Vista
  21. 929761 - When you run Wusa.exe together with the /quiet option to try to install certain software packages on a Windows Vista-based computer, the installation fails
  22. 929762 - You receive a Stop 0×9F error when you wake a Windows Vista-based computer that is connected to an IEEE 1394-based device
  23. 929763 - Version 5.00 of the Mongolian Baiti font may be displayed incorrectly in Windows Vista
  24. 929777 - Error message when you try to install Windows Vista on a computer that uses more than 3 GB of RAM: “STOP 0×0000000A”
  25. 929909 - A Windows Vista-based computer that uses a Mobile Intel 945GM Express Chipset may occasionally not wake from sleep
  26. 929913 - An error is logged in the Setuperr.log file when you run the “sysprep ?reseal” command on a Windows Vista-based computer
  27. 930163 - In Windows Vista, you cannot access any resources on a remote VPN server after you switch a network connection from one network adapter to another network adapter and then dial a VPN connection
  28. 930193 - Error message when you run the Sysprep command on a Windows Vista-based computer: “A fatal error occurred”
  29. 930194 - A computer uses an SiI PATA chip does not recognize an attached optical drive as a drive that supports recording after you install Windows Vista
  30. 930261 - You randomly receive a “Stop 0xA” error in Storport.sys when you start Windows Vista
  31. 930311 - Occasional error message on a portable Windows Vista-based computer that wakes from sleep to perform network-related tasks: “STOP 0×0000007E”
  32. 930495 - An IEEE 1394 device is no longer available when you wake a Windows Vista-based computer from sleep or after you reconnect the device
  33. 930517 - Message when a device on a Windows Vista-based computer uses a network bridge to access the network: “Connected with limited access”
  34. 930568 - Error message when you try to put a Windows Vista-based computer to sleep or into hibernation: “STOP 0×000000FE BUGCODE_USB_DRIVER”
  35. 930570 - Error message in the Usbhub.sys process when you wake a Windows Vista-based computer from sleep or from hibernation: “STOP 0×00000044″
  36. 930819 - Windows Image Acquisition imaging software may stop responding in Windows Vista
  37. 930857 - An update is available for Windows Error Reporting in Windows Vista to make sure that problem reports are sent only after you have given your permission
  38. 930883 - Programs that play audio stop working and duplicate entries appear in the Default Format audio format list in Windows Vista
  39. 930955 - Moveuser.exe is incompatible with Windows Vista and is replaced by the new Win32_UserProfile WMI functionality
  40. 930917 - An optical disc appears to be blank after you format the disc by using the Live File System component on a Windows Vista-based computer
  41. 930979 - You may receive a “Stop 0×0000007E” error message after you enable the BitLocker Drive Encryption feature in Windows Vista
  42. 931174 - Update for the Windows Vista Customer Experience Improvement Program
  43. 931369 - The Windows Vista installation process may take several hours on a system that uses an ATI SB600 Series chipset
  44. 931573 - You may be prompted to activate Windows Vista on a computer on which Windows Vista activation was not previously required
  45. 931671 - Error message when you put a Windows Vista-based computer to sleep while a PPP connection is active: “STOP 0×0000009F”
  46. 931674 - You may be unable to use a WSD-based scanner driver to transfer scanned data in Windows Vista
  47. 931675 - Error message when you perform a scan by using a WSD-based scanner driver in Windows Vista: “A problem prevented Windows from saving the settings”
  48. 931770 - The copy process may stop responding when you try to copy files from a server on a network to a Windows Vista-based computer
  49. 931812 - On a Windows Vista-based computer, the Sony VAIO Camera Capture Utility (VCCU) may not work correctly until you restart it
  50. 931936 - Incorrect recording speeds are displayed in the “Recording speed” list in the “Burn to Disc” dialog box when you burn a DVD on a Windows Vista-based computer
  51. 931969 - The Microsoft Software License Terms appear in the incorrect language when you try to view them in a program in Windows Vista
  52. 932030 - Windows Vista incorrectly detects the miniport edge of PassThru as a WLAN adapter when you use the PassThru Intermediate Driver from the Windows Driver Kit
  53. 932079 - Power consumption may be slightly more than expected on a portable Windows Vista-based computer that uses a SATA hard disk that does not support Host-Initiated Link Power Management
  54. 932094 - Error message when you try to play a movie file that has an .mov extension by using QuickTime 7 in Windows Vista: “STOP 0×1A MEMORY_MANAGEMENT”
  55. 932142 - You cannot install some programs after you restore Windows Vista by using a “Windows Complete PC Backup and Restore Image”
  56. 932143 - A hotfix is available for Microsoft Windows Services for UNIX and Subsystem for UNIX-based Applications that addresses the change to daylight saving time in 2007
  57. 932246 - March 2007 Windows Vista Application Compatibility Update
  58. 932404 - A folder does not open when you click the folder in the All Programs list in Windows Vista
  59. 932406 - The Windows desktop may stop updating correctly after a Windows Vista-based computer has been running for a long time
  60. 932590 - FIX: Windows-based applications that use the TZ environment variable may not work as expected because of changes to DST
  61. 932539 - The screen may go blank when you try to upgrade the video driver on a Windows Vista-based computer
  62. 932626 - Various problems may occur after you disconnect a PCMCIA storage device when a Windows Vista-based computer is asleep
  63. 932634 - Some elements of the user interface in some preinstalled Swedish versions of Windows Vista contain English text, text that is truncated, or linguistic errors
  64. 932635 - Some elements of the user interface in some preinstalled Norwegian versions of Windows Vista contain English text, text that is truncated, or linguistic errors
  65. 932636 - Certain elements of the user interface in some preinstalled Danish versions of Windows Vista contain English text, text that is truncated, or linguistic errors
  66. 932649 - You may experience poor video quality when you use interlaced mode on a Windows Vista-based computer
  67. 932652 - A Windows SideShow-compatible device or the related Gadgets do not work reliably in Windows Vista
  68. 932753 - When you resize the Windows Media Center window in Windows Vista, video playback may stop
  69. 932988 - Files from a Canon EOD 1D or 1DS camera may be corrupted after you use Windows Photo Gallery or Windows Explorer to edit the file metadata in Windows Vista
  70. 933242 - Windows ReadyDrive does not work in Windows Vista if the first partition of a hybrid hard disk drive has less than 32 MB of free space
  71. 933245 - A handle leak in Lsm.exe occurs when you play an audio file in Windows Media Player 11 in Windows Vista
  72. 933433 - Recording quality is poor when you use a USB microphone on a Windows Vista-based computer that has 4 GB of RAM or more
  73. 933468 - You cannot access SMB shares on a corporate network through a Remote Access Service (RAS) connection from a computer that is running Windows Vista
  74. 933607 - UMDF User-mode drivers that use the Windows SideShow class extension return errors when you process commands asynchronously
  75. 933620 - The operating system stops unexpectedly and you receive a Stop error message after you start the Sony VAIO Camera Capture Utility on a Sony VAIO UX Series Micro PC that is running Windows Vista
  76. 933778 - AA program that uses Windows HotStart does not start as quickly as expected after a Windows Vista-based computer wakes up from sleep
  77. 933847 - Availability of the Windows Vista Secure Digital (SD) hotfix rollup package
  78. 933872 - The default gateway setting is lost when you wake a Windows Vista-based computer from sleep
  79. 934111 - An update is available for Subsystem for UNIX-based Applications in Windows Vista that addresses daylight saving time changes in 2007

Downloads

Download Windows Vista ServicePack 1 (unofficial!)
Read more about Vista SP1 and download the newest version