The FLX-Tech blog bought a Zune from Best Buy, though stores are not supposed to sell them until Tuesday. There follows an interesting unboxing, which ends abrupty (above).
The standard excuse is on the lines of "it won't install because the servers are not turned on" which may be true, though Microsoft staff and some reviewers already have access to a working system.
Comment: Does Best Buy give refunds on products that haven't been launched?