Does this conversion preserve any of the extra features on the HD DVD or solely the movie? Seems like too much work when there's dual format players available that would preserve your ability to use all the extra features.

Those Tesla roadsters are only $90k, and they can actually carry a second passenger.

At only 10 feet, this thing isn't even going to get me over all the trucks on the freeway, much less over a tollbooth. And what happens if I'm riding an interchange at 10' but then decide to go over the side and make the 40' drop to the feeder road down below? Will the thing drop like a rock or slowly float me back…