SQL Server Resources

Microsoft Sites

• Microsoft SQL Server Homepage
• MSDN's SQL Server Development Center
• TechNet's SQL Server TechCenter
• SQL Server 2005 Books Online

Other Sites

• SQL Server Central is one of the largest SQL Server sites. Registration is required to read articles and it's now owned by Red Gate Software. They're regular publishers of great articles on SQL Server.
• SQL Server Performance focuses on performance and scalability issues. Lots of great resources around those topics.
• SQLDTS.com and SQLIS.com focus on all things DTS and SQL Server Integration Services related.

Blogs

• Microsoft's PSS SQL Server Engineers
• Microsoft's SQL Server Customer Advisory Team
• Top 10 SQL Server Blogs at Microsoft
• SQLBlog.com
• Kim Tripp's Blog