Mac users interested in Snes9x 1.5.2 generally download:
Snes9x is a Super Nintendo emulator for a variety of platforms. It works under Windows, Mac OS X and Linux, among others. If my memory isn't failing me, Snes9x was first released for Windows, hence the last two letters of the name. Its Mac version works very well, and it has a whole array of features.
Additional suggestions for Snes9x 1.5.2 by our robot:
Silhouette is supposedly a product of internal Nintendo research.
slower than SNES9x