Is Obvious that PS4 will handle SAME Architecture, so it will be PS3 Compatible and will have more cores and more MHz and most obvious, next GEN Graph and a LOT MORE Mem.
PS4 is really obvious.
PS3 has 1 big problem, just 256MB RAM, if it was 320MB RAM should be eazier to convert from Xbox 360 do PS3 games that are multiplatform... oohh SONY..
PSN: franco-br
MGS4, GH, MW2, GT5p, WipeoutHD, etc..etc..