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Having the latest release of opengl isn't going to do you much good if your vid card doesnt support it. 

OK.
Bopper has an 8800 GT. That supports OpenGL 3.1
According to Nvidia, all cards from the GeForce 6 series through the GTX 200 series support OpenGL 3.1.
Might be why SM's Minimum specs specifies a "recent graphics card" or words to that effect.