Starting the week of December 6th, Microsoft will launch a series of webcasts focused on SQL Server 2005 Development. During the week of December 6th, Microsoft's MSDN will host 15 webcasts introducing all the new features of SQL Server 2005 for Developers.
The time has come for all good .Net Developers to begin learning everything there is to know about SQL Server 2005 ( yes I realize that before you will learn everything there is to know about SQL Server 2005, SQL Server 2008 will arrive).
A good place to start is the SQL Server: Weblogs