GameSpot had an interview with id Software CEO Todd Hollenshead about PC gaming, Rage, the Wii and other things. One of the things Hollenshead said is that his company isn't planning Wii games, even though John Carmack said in February that id Software was considering a Wii project.
Hollenshead said they aren't really a Nintendo company and that they have doubts whether buyers would actually show up for Wii games from id Software. Here's a snip from the interview:
So somebody needs to demonstrate that there's going to be buyers out there that actually would show up and buy the games on the Wii. Even if we make an awesome game, there's still a question as to whether we're going to justify our investment. And also, I mean, if you look at the market, the type of games we traditionally make, those games are selling record numbers on non-Wii platforms. But despite the success of the Wii, and the fact that it's the largest-selling console out there, games like we make are still doing bigger numbers than they've ever done before.
So that doesn't give us a lot of cause to be worried about the Wii. We celebrate it, we love the Wii, but it's not for the type of games we make. I think that sometimes people lose sight of the fact that almost every company doesn't try to be all things to all people. Nintendo isn't trying to be all things to all people either. They have a great console with the Wii, they make great games. But they're really not trying to push the graphics envelope. They're doing other things.