Anyone have tips that are better than just buying a can of compressed air, or disassembling my pc to vacuum or blow it out? I haven't huffed so hard since toying with a nintendo system! (Was out of the compressed air)

It's really been bugging me, since with a bit of dust - say 2 months worth - my PC's idling tempurature raises roughly 12-14A¬?C. This of course wreaks havoc during games that are intensive...