I like to leave the MacBook Pro on permanently. I understand
that its the best way to run Macs as downloads and maintenance
can be carried out over night, I think!
Its also a fact that laptops tend to heat up a bit when under
pressure, more so than desktops. I thought one way to keep
things cool would be to have some control over the fan.
I located a utility called Fan Control, it does what it
says. Okay if not on mains the battery life is effected but most
of my time spent on the laptop when plugged in, so no problem.
Also it can be adjusted in on the move.
The links for Fan Control, a free application is,
http://www.lobotomo.com/products/FanControl/
I imagine there is also a free utility for PCs π
Mike
PS: Something for the PC laptops,
http://www.diefer.de/i8kfan/index.html