Shacknews posted an article where they talked to Tim Willits and Todd Hollenshead about id's new IP Rage. The talk is about influences as well as design strategies of past and current id, as well as what you will be able to expect from Rage.
Rage's foundation, definitely, is first person shooter, because that's what we do best. But we wanted to change what people expect from an id first person shooter.
Read more about it at Shacknews.