What minimum OpenGL version is reasonable to support today?

[Casey Duncan]

I am fishing for some opinions from other developers as to what minimum OpenGL version is reasonable in today's world. Features like point sprites, GLSL shaders and VBOs are great and wonderful, but require increasingly more modern OpenGL versions. So supporting older versions of course requires alternate implementations and/or feature/quality degradation and more code complexity (which == less fun for me the humble developer ;^)

Is it reasonable today to say too bad to folks running less than OpenGL 2.0? I'm thinking not, but I wanted others input on this. Of course there is no right answer, but what are your thoughts?

Thanks much!

-Casey

[Harry Tormey]

Depends on the app you are developing for and the target platfrom. I
would say OpenGL 1.4 would be a good target to shoot for as it is
whats supported by the intel 945gm chipse which is used in a lot of laptops:

http://en.wikipedia.org/wiki/Intel_GMA#Table_of_GMA_graphics_cores_and_chipsets

-Harry