I was moved by the Tessi-Spirit this morn' to evangelize all ye SQL nuts out there. If you have an interest in furthering your T-SQL skills, a good best practice to learn is how to avoid the use of cursors. Here's a good demonstration of the overhead of using them:
http://www.sqlservercentral.com/articles/cursors/65040/
I would like to second the use of SQL Server Central as a resource in general. Since first tackling the language last year, it's proven to be a simultaneously humbling and empowering resource, with folks almost as helpful as the ones who populate this board.