OpenGL SC

It's the only OpenGL you'll need.

>>35
On Windows, you don't use opengl.h. You use glew.h. opengl.h only provides OpenGL 1.1 conformance.

http://en.wikipedia.org/wiki/OpenGL_Extension_Wrangler_Library

Also, hardware vendors will most likely support older OpenGL versions in their drivers going forward for some time. You can support multiple GL versions side-by-side no problem.