http://xbox360.1up.com/do/newsStory?cId=3151161
Peter Moore
"Nobody is concerned anymore about backwards compatibility. We under promised and over delivered on that. It's a very complicated thing... very complex work. I'm just stunned that we have hundreds of games that are backwards compatible," he said. "more are coming, but at some point, you just go, there's enough, let's move on, or people aren't as worried about a game being backwards compatible - and I like to think we've upheld our end of the bargain in making at least two or maybe three hundred games backwards compat."