And about damn time too. I'll be getting one, for sure. For those who don't know, Jasper's claim to fame is it's 65nm GPU process, as opposed to the hotter-running 90nm Xenon, Falcon, Opus and Zephyr. This, theoretically speaking, is the final nail in the coffin for the 3 red-rings of death, though I won't believe it till I have a unit in my hands.

Plenty of motherboard pictures, and an explanation via the boys over at the Xbox-Scene Forums.

Edit: Apparently it's got (now confirmed) 256 MB onboard Flash memory for savegames as well, in case you're a sap who owns a 360, but no hard drive.