There's also what looks like some new Zune marketplace images in the Zune pass video around ten seconds in.

ENGADGET: Zune HD promotional videos offer brief glimpse at 3D gaming

On the marketing front, Microsoft is really pushing the Zune Pass going forward, and will be launching a new TV commercial to help plug it.

ENGADGET: Zune 2.5 update brings TV downloads, Zune Card sharing

Microsoft's all-you-can-eat Zune Pass service is supported with streaming over both WiFi and Verizon's 3G network, though the company has told us that some tracks will have to be downloaded before they can be played.

ENGADGET: Microsoft Kin: everything you ever wanted to know