HotHardware gives you a sneak peek at the GeForce GO 7950 GTX.  Although still a single core graphics card (like the 7950  GT), you do get a 75MHz increase in core frequency and 100MHz in memory compared to the previous GeForce Go 7900 GTX. 
‘Today, NVIDIA takes the notebook platform yet another step closer to enthusiast desktop performance with the launch of the new GeForce Go 7950 GTX. As the company’s new flagship mobile GPU, this graphics chipset offers unprecedented performance for the notebooks without sacrificing the features and functionality a notebook demands.’

Here are some more Graphics Card articles from around the web:

Click Here to go to 

Video Cards   Graphics Cards