Here's a video of Remote Play in action. There are several other videos available on Youtube (I like the one with the Cartman/Wii extract as demo video) ... This one is long, but you might want to skip through some of the photo and video bits, as they're on a bit too long.
http://www.youtube.com/watch?v=wUBBb1C5ELM
http://www.youtube.com/watch?v=wUBBb1C5ELM
