Hardware is hardware...I'd rather get more bang for my buck. I build my computers. You get DIRECT support with the component manufacturers. And, man, you can save a lot of money
If I really wanted OS X, I'd hackintosh a "PC". I've used plenty of operating systems (OS X, windows, linux, etc). Most are fine, you just have to know how to use them.
PS. I've seen blue screens on Apples...again, it goes back to hardware, user knowledge and proper application. Any computer can malfunction due to hardware problems...