KB919183:System requirements for Windows Vista
Discusses the system requirements for Windows Vista Beta 2, for Windows Vista RC1, and for the final release of Windows Vista. Disccusses the operating system requirements to upgrade to Windows Vista Beta.

KB899148:Some firewalls may reject network traffic that originates from Windows Server 2003 Service Pack 1-based computers
Some firewall and VPN products may drop network traffic from Windows Server 2003 Service Pack 1-based computers and cause issues with RPC-based operations. … This issue occurs because Windows Server 2003 SP1 adds support for some new transfer syntaxes to the RPC implementation.

KB911860:Internet Explorer no longer works correctly when you use a very long name in the Internet Explorer Favorites folder on a Windows Vista-based computer
In this situation, you experience a variety of performance problems in Internet Explorer when it is running on a Windows Vista-based… … This problem occurs because Internet Explorer 7, the version that is currently included in Windows Vista, does not …

KB920724:A blank clip art image is inserted in a Works Word Processor document when the Japanese version of Works 8.0 is installed on a

…

Well, when you install system the prefetch will be very very full of windows stuff. Like over 50-70 prefetch titles are from vista alone and I doubt anyone uses everything Microsoft design in their systems. So Basically getting this fixed would be easily done by deleting .pf Files (default: C:\Windows\prefetch)after sometime from Windows Vista Installation & usage. Windows will correct this issue when there is upcoming optimizes in Vista as in vista will run after some Idle period this tool rundll32.exe which collect and optimizes entire harddrive accordingly to layout.ini & prefecth (Order: boot files->Application Files-> rest of HDD by date modified).

After that tasks has runned 5 times (manual task launching commandline: rundll32.exe advapi32.dll,ProcessIdleTasks ) Vista also does another sort of optimize to system. It compresses almost all the system data you haven’t needed so far in vista and eventually system takes less space in your root harddrive.

Now about prefetch.. Superprefetch was as far I know designed for Software you use not for boot files to check why normal prefetch removes some application when it gets full and readds that application in the ‘\windows\prefetch’ folder. This is good if it would actually just work on applications….