Windows Desktop Search 3.0 is now released
Windows Media Player 11 is released
Microsoft have published a useful whitepaper on how to create an accessible web site/application.
Network Analyzer for Windows Mobile runs network utilities (e.g., ping and ipconfig) on a Windows Mobile powered device.
.NET Framework 3.0 is now released. This makes sense as it is also part of Vista, which is due to be finished any day now.