The Intel chipset in the MacBook supports OpenGL acceleration, so you will have acceptable horsepower for BlitzMax on OS X. The next cool thing is that the 3D desktops for Linux also run very nicely on the Intel chipsets. Even Vista will give you the Aero desktop with all graphics effects on it.
As good as this all sounds, you won't have much fun with current First Person Shooters on it.
As good as this all sounds, you won't have much fun with current First Person Shooters on it.