Mango running on the HTC HD7 (video)

We started today with a tweet of the Windows Phone 7.5 running on the HTC Mozart.

Now we dug up a video of the same OS running on the HTC HD7 also. The video by PhoneDaily appears to be from a Mango demo at Computex earlier in the month, and suggests there may be more than a few devices ready to receive the update.