It comes down to what software you want to run. If software is no issue then a PC is better than a MAC in every way. You don't have to run windows...
PS4 for me. Xbox has too much "baggage"
Windows for Gaming Linux for Business
Start by how much you have to spend then chose the best CPU/Video Card you can afford the max ram you can afford and fill in the rest.
I like Alienware for gaming. I would also have to say stay away from HP as their hardware and software is lacking.
Could never be a telemarketer ever ever ever,
Dual booting vista/ubuntu 11.04. Linux has come very far, I keep windows to Game, other than directx i don't have any use for windows. You can...