Good cpu cooler for under $35

The Xigmatek HDT S1283 as linked above me, that is an awesome cooler, it really keeps my Phenom in the lower numbers and is a very good price.

Look at reviews on the net it is 1 of the best CPU coolers available at the moment, just make sure u have room to fit the thing as its BIG, I had to fiddle around to get mine fitting over cpu as ram in the way for proper bracket to work.

I have the Arctic Freezer Pro 7, and im impressed. never goes above 60c(tested with prime95)

It never gets above 50c when running Crysis Warhead/games.
Note: My e8400 is overclocked to 4.2ghz.