Is it enough to build a business? Well, considering they could probably charge $100-200 for such an IDE, and that there are now a very large (100K and growing)

Is it enough to build a business? Well, considering they could probably charge $100-200 for such an IDE, and that there are now a very large (100K and growing) set of Cocoa developers (thanks to the iPhone, mostly) who can be immediately productive in such an environment, delivering apps on Web, Mac, and Windows, ...