Gratuitous summary based on the Engadget liveblog: Same case (more or less), unified GSM/CDMA radio section, faster A5 CPU/GPU, new 8MP camera that supports 1080p video, new fancy voice recognition. Also, the iPhone 3GS lives on as a "free with contract" phone. There is no "iPhone 5" as was rumored to have a larger screen, etc.

And, apple.com is currently giving me:

Somebody might want to look into that.

All in all, not bad. The new camera is a definite win. Yeah, sure, my Droid X had an 8MP camera when it came out over a year ago, but the picture quality really sucks, while I imagine Apple's camera doesn't suck at all. Otherwise, the only other part that really catches my attention is the world phone aspect. You can have a phone that does CDMA here in the U.S. and GSM when you visit the rest of the planet. Notably missing is any discussion of LTE or WiMax. Sprint without WiMax isn't very interesting, and of course, a variety of Android devices are available that support these faster networks.