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#11
any of the solutions posted will in fact work--just depends on what you're looking for and how much you're willing to spend.
very decent air cooled cpu coolers, decent and (relatively) inexpensive all-in-one liquid cooled solutions, and obviously high-end expensive liquid cooled solutions.
i suggested the corsair hydro h50, but i've also read very good things about the CoolIT (Kipper's post)--both will set you back approx $80. speaking specifically about the corsair, the installation was about 45 minutes--depending upon whether or not you have to remove the motherboard. i have a haf932 with a cpu cutout in the motherboard tray and i still had to remove the board. i don't know about the CoolIT. you may or may not have to remove the motherboard with some of the air coolers too.
i guess it's up to you now...