Asus distributor or an etailer leaked the specs and the pricing of the upcoming card. You can pre order them today for €365.90, but the shipping date is still unknown. This pretty much confirms out €399 price as some guys on this price search engine goes lower than they should to get more attention.
The Suggested retail price for any Radeon HD 2900 XT card is still about €399. The Asus card is called ASUS EAH2900XT/HTVDI and it is based on a Radeon HD 2900 XT at 757MHz and 828 (1656 MHz), it has 512MB GDDR3, 2x DVI, ViVo, PCIe and it comes with Stalker.
Pre order one here if you like.