Athlon OC have posted up a review of the OCZ Tech Dominator2. Heres a snip:

    In an age of innovation and with the ongoing process of research and development in the field of processor cooling, we find a vast array of methods implemented, each of which attempt to dominate the market. It simply began with fine cut aluminum, migrated to copper bases, then to pure copper heatsinks, and now we have microfin technology.