N900 didn't have USB host but now it works. N9 does not have any HD output capability right now. QUite certain. But maybe some hacker/dev can somehow make it possible later on? If not, it's okay by me I guess. I don't use HDMI out as often as I thought I would anyways. (with my N8/E7)

But one thing I do use even on N8/E7 is USB OTG. So I really hope this can be enabled on the N9 at a later stage.