Just had a breakfast with the RIM rep for rogers out here in Calgary. Held a shining new 8800 in my hand. Beautiful unit.
8800 has features of the pearl, sans camera. Also has built in GPS receiver (my biggest reason for the upgrade).
Wi-Fi not included on unit (sorry to disappoint), but should be coming sometime in the future.
Also saw the albino pearl - finish similar to a white ipod, same metallic sides.
Asked about 9000 series, but no knowledge there.