Apple has just posted Boot Camp 1.2 beta with Windows Vista 32-bit support.
From Apple Boot Camp page:
Changes in Boot Camp 1.2 beta
Boot Camp 1.2 beta contains several updates and is intended for all new and previous Boot Camp beta users.Boot Camp 1.2 beta includes:
- Support for Windows Vista (32-bit)
- Updated drivers, including but not limited to trackpad, AppleTime (synch), audio, graphics, modem, iSight camera
- Support the Apple Remote (works with iTunes and Windows Media Player)
- A Windows system tray icon for easy access to Boot Camp information and actions
- Improved keyboard support for Korean, Chinese, Swedish, Danish, Norwegian, Finnish, Russian, and French Canadian
- Improved Windows driver installation experience
- Updated documentation and Boot Camp on-line help in Windows
- Apple Software Update (for Windows XP and Vista)
Boot Camp 1.2 beta weighs in at 138MB
Download Boot Camp 1.2 beta here
http://www.apple.com/macosx/bootcamp/publicbeta.html