I'd never pay a $50 premium for Linux support, but wouldn't mind a $5-$10 premium if it means I don't have to reboot every time I want to play. Assuming a game

I'd never pay a $50 premium for Linux support, but wouldn't mind a $5-$10 premium if it means I don't have to reboot every time I want to play. Assuming a game is written using portable technologies (OpenGL, GLSL, cg, OpenAL, SDL), I doubt that porting it would be difficult. Obviously, a game which uses Direct3D, MFC, embeds IE, etc, will be a different matter.