yeah... it is tempting - i mean it's not like i have to get at that area anyway, and it would keep my cards icy cool... well. probably not icy cool, but ya know what i mean =)
combo drive is sorted - i have an untested one coming in for £11, and if it doesnt work i can get one for £35... i think it's worth the risk though... i'd use a pair of mini blowers - i checked the sizes and they fit in the space i have i could mount one over the psu as well perhaps.. i want to keep that space as free as possible though, i'm sure i can find something to go in there... the psu will oinly be 200W, so it shouldn't pump out heat.
A blower would leave a nice exhaust grill on the back and make it look pro They're plenty of good quiet blowers out there for cheap, a good 80mm fan like a Panaflo will cost a pretty penny.