Galaxy GeForce GTX 680 has been listed at Newegg for a price of $504.99, The card is based on the reference design featuring stock core clock of 1006MHz and a 2GB GDDR5 Memory clocked at 1.5GHz (6GHz Effective).
The card is compatible with PCIe Gen 3 and supports upto 4 Monitors in 3D-Vision mode, Quad Way SLI is also supported. Display outputs include 2 x DVI, 1 HDMI and a Display port, TDP is rated at 195W.
A Video presentation of GeForce GTX 680 was released a while ago which you can check out here.
You can check out the pictures below: