DVD Box sets are 40% off with code: CM2008
Go through Ebates and get and additional 8% back.

If you are new to ebates and are just signing up with my referral, they give you and me $5 each just after your first purchase through them. Let me know if you need more info about it. They have Double % on every store for today! If not just go and use the code to get 40% back