abou27: yes i do, though its not needed really but its a shame if it dies (overtime) just because u didnt cool it...
but since you are in a desktop, well...there might be toomany reasons for you to not mount a fan on it, also it wont be as quiet any more;(
but then again i never seen a 030 getting blow due to heat, but 040's i have seen bucket loads of..., and only seen 1 060...