Here ya go buddy:
http://youtu.be/nI15BGscFac?t=3m46s
Keighley: "There was Killzone... a lot of people were excited about that. People were wondering though, y'know, was some of this stuff real, was it CGI, it looked so good. I mean, what was the sense from you? Is there some stuff in there that's just, y'know, computer smoke and mirrors?"
Tretton: "It's definitely real. I guess we're pretty good at keeping secrets because the dev kits were out there. The dev kits are very intuitive, so people did some incredible things. And that's one thing Ted wanted to make sure everybody understood, that is real gameplay everybody is seeing out there. And I think --"
Keighley: "So it is gameplay, all that stuff is all gameplay?"
Tretton: "It is gameplay."