First of all, it's the part of the geek community with a) too much money and b) less clue than they think they have (well, probably) who Apple are targetting in this first release.
And then, in the broader sense, Apple is targetting *everyone*, many merely by extension. Quite a few commentators in recent years have noticed Apple's predilection with the App Store and its gated software community. Some have even noticed how OS X-land doesn't have that. Yet.
Wade.