Originally Posted by JDR13
I've read that the PS4 will indeed include backwards compatibility, but they aren't being specific about what exactly it's going to be backwards compatible with. I doubt it'll be compatible with all three of the previous generations.
Imo, it's still very worth it to get a PS3 considering how cheap they are now. Try to find one of the older models that's compatible with both PS1 and PS2 games. You can Google which model numbers had that chip in them.