All 36 of these Platinum Hits for the Xbox 360 are prices between $15 and $30. Currently, Amazon is running a promotion where if you buy 2 of them you get a third one free.
Free shipping in most cases is an option.
Link to Sale
Shoot... all the games I would want I already have. =(
Besides must... resist... temptation to spend money on games.
Digital, I'm in the same boat. The only one I really would consider buying is the first Battlefield Bad Company. Oh well. There's still a lot of good options there for those who haven't bought them all already.