(HardwareCentral) You may not be a scientist or special-effects artist, but hardware vendors have decided you need a high-powered workstation anyway -- and with 2GHz-plus processors, dual-channel DDR, and supersonic 3D headed for even economy models, the desktop PC will never be the same. Here's why the trend that started with Nvidia's nForce2 and Intel's Hyper-Threading now threatens to make AMD's Athlon 64 obsolete before it ever ships.