Absolutely! Their retail price is around $275 so you're looking at a good deal too.
They're a bit picky about cooling. If the stock heatsink has ever been removed, you can't use just regular heatsink compound when reinstalling the cooler. It has to be a premium product, like Arctic Silver, to provide the same heat transfer as Intel's OEM concoction.
Back it with a good power supply, at least 500 watts, and good case cooling. You'll enjoy the results!