graphics compare favorably to microsoft flight sim. the ground features are not as good, but the clouds are much better in my opinion. overall, i would say it is a wash.
as for running it on the mac book pro, the default settings run no problem on the mbpro and framerates are plenty high. the only peculiarity is that most of the instrument panels i have seen are designed for 1024x768 resolutions and don't stretch to fill the entire screen, but rather is centered on the mbpro screen. while this is a bit distracting at first, it is easy to get used to and the outside scenery fills the edges, so it really isn't a problem.
Mac OS X (10.4.4)