"Stack a rack full of the systems, and you can hit 5.4 Tflops of peak performance."

More likely: stack a rack full of the systems, and watch it melt...

Ahh but any cost savings can be used to hire imigrants to wave fans at your racks, thus reducing the carbon foorprint by not having to have as many A/C units, boosting the econemy, and giving these guys a foot in to IT without first having to annoy me with poor language skills when calling up the Service Desk, they can tumb through the Manuals to help ease the boredom and teach themselves Technical english, tis a win win situation all round i feel