My computer's on constantly for downloading purposes so it's more of a necessity to have it on.
The room only gets really hot during the day which is usually fine because I'm at work, then I open a window and have the fan blowing to circulate the air of an evening time. When I leave in the morning, I place the desk fan facing the side of my computer case (side cover taken off of course), to get some extra air in there which helps a lot.
I guess it's only really a problem for me on my days off work, days when I don't have anything to do except browse the internet and so forth.
Mongoloid's method is pretty great though, heh...
I put an ice pack in a pillow and I'm sitting on it, then I have an ice pack in another pillow that I'm resting my feet on.
