Well OCUK were supposed to be having the X800XTs delivered this week, I'm waiting for one myself.
http://www.overclockers.co.uk/acatalog/X800_Series.html
I'm looking to get the Sapphire at the bottom.
They have plenty of Pro cards in stock but I think you might as well wait a while for the XT, spend a little more, and get a much faster card.