Dell's wasting no time appropriating AMD's new Phenom II X6 chips, pushing out a brand new Studio XPS line to deal with the new top of the line (and a few quad cores as well) from "that other processor company." While AMD can crow about having more cores at a mid-range price, Dell isn't trying to pass these off as pure competition for Intel's brood: the Studio XPS 7100 line is AMD-only, while the Core i-based Studio XPS 8100 desktops are a clear step up model number-wise. The 7100 baseline system, with int