Finaly the 2900XT is here and it's good. Here are some inital results nowhere near maxed out.
http://www.kinc.se/2900/rigg.jpg
3DMark 05 single card WR
http://www.kinc.se/2900/30k.JPG
R600 shows potential in 03
http://www.kinc.se/2900/55k.JPG
Read the complete ASUS HD 2900XT: Overclocking article with a lot of pictures here.
More to come ;)
http://www.kinc.se/2900/cards.jpg
(there is another 2900XT for crossfire not showing on the picture)