Sapphire just recently made a nice Adapters for Eyefinity fans, and here is the next!
[h2]SAPPHIRE Vid-2X Display Expander (PSE-DV2185)[/h2]
What does it do? Make from ONE input TWO Output's!
Input: DualLink DVI, or Displayport! (depending on version! There are 2)
Output: 2x Single Link DVI, which can also be used as HDMI with a Adapter (not included)
External Power Source needed! Can be done with USB, or there is a Adapter for USB to electrical Socket.
Included Beezel compensation! Which can be done on the Display.
Link to Datasheet: http://www.sapphiretech.com/images/product/datasheet/Vid-2X_Datasheet.pdf
Link to Manufacterer: http://www.sapphiretech.com/presentation/product/product_index.aspx?psn=000101&pid=1412&lid=1#