It's certainly interesting looking and was a nice surprise to see running at the show. I haven't dumped my camera to my computer yet, but I have quite a few pictures and videos of it in operation.

I talked to the 3DS rep at the show, and she said that the goal is to eliminate the fans protruding from the sides in the final version. The fans will definitely need to be there, but they're hoping to make them lower profile than they are now.