Kraken Super Computer upgrade to AMD Opteron 6-core from 4-core

Upgrading from 4-core to 6-core AMD Opteron CPUs, they claim the speed is now twice as fast.

May I have some of the old CPUs? Please!!

more info
http://www.top500.org/
http://www.wired.com/gadgetlab/2009/11/most-powerful-supercomputer/