Anyone can take a hammer and rib-spreader to a new piece of hardware. But it takes someone like Anand Shimpi, the man behind Anandtech who has personally suffered through four out-of-warranty Xbox 360 failures, to bring sage analysis to a teardown of the new Xbox 360. His reluctant sixth Xbox 360 is the new slimster (codename Valhalla) which, for the first time, combines the CPU, GPU, and eDRAM onto a single chip -- previous Xbox 360 mot