It's hard to get excited about a new thermal paste but when Arctic Cooling announces something new, it is reason enough for enthusiasts to prick their ears up. Today, we have it in the form of the Arctic MX-3, their new flagship thermal compound, successor to the ever popular Arctic MX-2. Promising new heights of thermal conductivity, it will be up against the likes of the Tuniq TX-3 and the Gelid GC-Extreme.