I've been playing around with AJAX/Atlas lately and it's no surprise that you can pull off some pretty cool stuff with it.
We've all seen the Virtual Earth and Outlook Web Access examples, but I'm interested in seeing “who else” is doing “what else” with it... specifically in terms of game development. Shoot me a line, send me some links (you can't post links in comments unfortunately, too much spam) and tell me about what you are doing with it.
Some pretty cool ideas are floating around in this big (balding) head of mine, and trust me there's been plenty of room lately. I haven't had anything that really got me excited until now... (more details later) but for now, let's just say the next HA! release is going to be a bit of a departure from what you've seen so far, and leave it at that.