From Engadget:
300Mbps from a moving car, and the target is to achieve downstream speeds of 1Gbps when stationary. They’re getting an average of over 100Mbps, too, which is as at least as fast as any fiberoptic connection you can get at the moment, and means you can stream HDTV to your phone. Link
You can actually hear me drooling for that bandwidth through this website.
(Or you would, if I had sufficient bandwidth to make that possible.)