You can get a free "Silver" account that lets you browse and buy all the Xbox live arcade games without paying a dime for the actual xbox live service.

How do these compare to the Cray Supercomputers? Last I checked, Cray was top-dog and everyone else was fighting for second place. I mean, it's cool that you can get 135.3 Teraflops out of the BlueGene, but the Cray X1E delievers up to 147 TFLOPS in a single system. Am I just confused and lost?