We've discussed at length in previous threads how difficult it is to leave AOhelL. Now you can read their Retention Manual and feel vindicated that it's not just difficult operators. It's company policy!
"Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning." --Rick Cook
If you know what sort of processor you have, you should be able to go to a PC shop and say "I need a heatsink and fan for a (insert processor here)" Then its up to you to get the right priced option for you.