Top air-cooler performance solidly belongs to the Thermalright Ultra-120 eXtreme (coupled with an S-Flex SFF21F fan) at 3.94GHz. Right behind and tied at 3.90 GHz are the Tuniq Tower 120, the regular Thermalright Ultra-120, the Scythe Ninja B Plus with SilenX fan, the OCZ Vindicator with SilenX, and the Scythe Infinity with dual push-pull Scythe fans. All of these coolers outperform the Thermaltake Big Typhoon VX and every other down-facing cooler in overclocking and cooling efficiency on a standard Core 2 Duo test bed. Most are also quieter than the Big Typhoon VX.
ie price wise get the scythe ninja...
for best performance replace its fan with a high CFM fan
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