And there's no incentive to use Objective-C on any other platform, so with Apple pushing Obj-C on their platforms it makes sense to get a Mac for iOS developmen

And there's no incentive to use Objective-C on any other platform, so with Apple pushing Obj-C on their platforms it makes sense to get a Mac for iOS development, particularly if you spill over to desktop development (which you can do in C++ of course).