Legit Reviews

Nvidia has released new OpenGL 4.1 drivers.

http://developer.nvidia.com/object/opengl_driver.html

"WHQL-certified Windows driver version 259.09 and Linux drivers version 256.38.02 provide full support for OpenGL 4.1 and GLSL 4.10."

I was planning on getting hold of one of these, this comming september.