Visual Studio 2005 SP1 is out

Read more about it here and download it from here.

Noteworthy changes:
New processor support (e.g., Core Duo) for code generation and profiling
Performance and scale improvements in Team Foundation Server
Team Foundation Server integration with Excel 2007 and Project 2007
Tool support for occasionally connected devices and SQL Server Compact Edition
Additional support for project file based Web applications
Windows Embedded 6.0 platform and tools support