If our best guess is correct, not only is the board built on a ceramic underplate, but all of those off-white structures on the board are "micro-porous ceramic" heat sinks as well. But not only do they dissipate heat from board components while looking ever so evil—the ceramic also improves the structure integrity of the board itself.
The only catch to performance clockers may be the inclusion of SO-DIMM slots—small form memory slots generally reserved for notebooks.
As of right now, the Marine Cool is a concept. But like their dual-screen laptop, if Asus actually brings this model to market, we'd all remember that the company is capable of creating a lot more than just netbooks. [Softpedia via Engadget]