Lol nobody is stupid enough to spend $126,000 on a set-up when BTC are so unstable, are you serious? I'm thinking of having 5-10 Computers, because my powers free I won't need to worry about the power bill. Also, does it matter what kind of computer you buy, or does it just matter about the graphics card? Would it be better to buy a Mac, or a PC?
Btw, do you mean like one computer set-up would cost $126,000? Or do you mean the entire set-up (Comps, Power, Hardware, etc.)?
I know of people that have preordered 4 SC MRs from BFL, which would be ~$120,000. So yes, people do have that much money to invest in BTC.
As I said, wait until the summer to decide what hardware you should buy. By the time June or July comes, you will see that mining with a computer (CPU or GPU) will be completely worthless, regardless of free power or what kinds of computer it is.