Dell’s new XPS 625 is their latest AMD-based creation, and is the first out of the Dell labs using the relatively new Phenom II processor. Initial reviews of AMD’s new chip have been favorable, as this new quad-core processor is slated to deliver roughly the same performance as Intel’s quad-core Core 2 processors at very tolerable price points. While it’s pretty clear that the Phenom II can’t quite crack Core i7 levels of performance in most usage scenarios, the question is, do most users really need that much