With the system running at the stock 2.8GHz the Thermalright True Spirit come in at 57.25*C, a very nice 22.25 degrees cooler than the stock Intel HSF. The True Spirit was also only 3.5 degrees behind the first place Prolimetech Super Mega. When compared to similar priced coolers the True Spirit edged out the Corsair A50 by a degree.
With the system pushed up to 3.5GHz the True Spirit jumps to a tie for first place with the Zalman CNPS11X. Coming in at 59.50*C the True Spirit comes in 3.25 degrees ahead of the Corsair A50.
Really cranking the heat up, we have the system running at 4.0GHz. The True Spirit is running in the middle of the pack at 74.5*C, .75 degrees ahead of the Corsair A50 and 5 degrees behind the Prolimatech Super Mega.