Using glew library, it's not possible to detect a opengl 2.0.
Many tools and libraries does uses glew as wrapper on opengl verbose extension system... but all those cannot work if the library thinks it's not opengl 2.0
(for instance Ogre, which in turn is used by many games/simulation )
Vbox 3.0.0 beta 2
Vista host, Linux Ubuntu Jaunty host.