It’s time for a fresh batch of HOT deals, courtesy of our friends at LogicBuy. The featured attraction today is a Dell XPS 8500 Core i7-based desktop system with discrete graphics and Windows 8 for under $670. In addition to its Core i7 processor, the Dell XPS 8500 features 8GB RAM, a 1TB SATA 6Gb/s Hard Drive and 1GB Radeon...