Lots of amazing interior and aerial photos of the new Airbus A380 are up on Airliners.net. It’s a huge, huge plane.
Update: More recent photos from Gizmodo and Airliners.net
Upper deck with ballast tanks: 1, 2
Lower deck with test equipment and cargo: 1, 2, 3, 4 (note the temporary lavatories and champagne boxes)
More stuff: Test crew seating, a lovely overhead view for scale, wing droop.
Boeing has responded with plans for a 747-800 (not to be confused with the 747-800 GigaTop), to which Airbus might respond with the A383.