HTC HD2 spotted running Windows Phone 7, for real this time?

After some initial waffling on the subject, Microsoft has pretty steadfastly denied that any older Windows Mobile devices would be able to run Windows Phone 7 -- even the seemingly capable HTC HD2. That hasn't stopped folks from hoping and trying, however, and developer / hacker Cotulla has now produced a video that appears to show an HD2 booting and (briefly) running Windows Phone 7. While a 1:30 long boot process doesn't exactly make for the most exciting video, it is at least a bit more convincing that the ones that cropped up in the early Windows Phone 7 days, which seemed just a bit too slick to be true. Head on past the break to see for yourself.