It's not over designed. Those heat pipes work incredibly well, even better than a standard heatsink. I saw a review where they punctured the heat pipe to see what happens...the thermal shutdown occurred it got so hot. It may be flashy, but it's sure doing an important job. 
-Lasereth
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"A Darwinian attacks his theory, seeking to find flaws. An ID believer defends his theory, seeking to conceal flaws." -Roger Ebert
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