PCs all the way. They handle software better, better processing power, and if a small part of it breaks or just needs an upgrade, you can sort it out yourself for significantly less then a mac. With a mac, its one set piece. You can't take it apart and swap parts out. If you want to upgrade a part, it's off to the Apple store so spend a load of money for a whole new set up.
There are more programs and games for PC that run better on PC.. Yea Apple looks 'sleek' and 'modern' but is it really worth the price tag? With the right case and monitors, you can get something just as sexy with a better