TechPowerUp came across leaked photos of MSI's upcoming GeForce GTX 670. This model features a GK104 with 1344 CUDA cores, 256-bit memory bus, 2GB GDDR5 clocked at 5GHz, and 900MHz core base clock.
The source also mentions some specifications, some of which we know from older reports, some of which we don't. The card packs 1344 CUDA cores, 112 TMUs, 32 ROPs, a 256-bit wide GDDR5 memory interface holding 2 GB of memory, and clock-speeds of 900 MHz (core base), 1250 MHz actual or 5.00 GHz effective GDDR5 memory. It is predicted that future non-reference designs could come in much shorter PCBs thanks to rather slim VRM requirements, and just 8 memory chips, the GPU package isn't too big, either. Display outputs include two dual-link DVI, and one each of HDMI and DisplayPort. So the ability to set up 3D Vision Surround from one card could remain intact. Lastly, the box mentions "OC Edition", and so the card could come with out of the box overclocked speeds. There's also a juicy typo on that box.