Thermalright is no stranger to overclockers the world over; their Ultra-120 was a legendary CPU cooler. But Thermalright isn't limited to CPU cooling, however, and the Spitfire and VRM-R5 are the latest in their product lineup to focus on top cooling performance for enthusiasts. Let's take a closer look at these coolers and see just how well they perform on a flagship Radeon 5870 graphics card.