My mate has a framing gun... i use the air compresser from that on my PC in the weekend... worked a treat... no more dust... just dont put it in ya mouth![]()
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£25 works wonders powerful enough with a small nozzle attached.
Positive air pressure is, in theory the best way to go. http://www.silverstonetek.com/tech/wh_positive.php
In reality, with most, if not all cases, that's not the best way to get a cool, quiet machine though.
My Antec P182 with just two dust filters keeps my PC dust free, and I hardly ever hoover my room.
I can just imagine trying to overclock it and getting it slightly wrong then staring at the bios jumper through the glass![]()