I'm currently studying for it also. The http://academy.social27.com/joes2pros/Home

has somereally great videos and labs. They have a 461 course and its only $39 a month unlimited access.

I would also look at picking up this book http://www.amazon.com/Microsoft-Server-Fundamentals-Developer-Reference/dp/0735658145

This book really opened up my eyes on many things sql