Ok listen up.
Wine implements the needed Windows API's into Linux. Where as windows has many API's that are not even needed!
Linux has configurable user interface, I use an interface called "fluxbox", everything is launched by command, so you can imagine how much spare memory I have!
Uptime is likely to be more as tested with web servers.
Counter Strike also runs faster for me.
People get the impression that its gonna be all slow because DX loads up, it goes through Wine, translates net code blah blah. But its none of that i assure you. There is no translating of net code