I've always wanted to play Sly Cooper, so I think I'm gonna get the Sly Collection. I also want to play Castlevania: Symphony of the Night (which I presume and hope is backwards compatible).
It sucks that it can't even be backwards compatible to the system right before it, but I guess that's what happens when technology changes rapidly. We never expected the Super NES to be able to play NES, after all. Just goes to show how times have changed.
And according to this list, there are a number of titles compatible with the PS3:
http://en.wikipedia.org/wiki/List_o.....yStation_games