I think "FaceTime" is really important for them to brand, and by mixing it with iChat you're taking away from that. In the keynote, Jobs called the iSight came

I think "FaceTime" is really important for them to brand, and by mixing it with iChat you're taking away from that. In the keynote, Jobs called the iSight camera "FaceTime" camera, even. I think we'll see a shift towards FaceTime in a lot of things.