Late last spring Pantech was making waves with its world-first 1.5 GHz dual-core phone, the Vega Racer. Now, it's introducing its successor, which also claims a mobile first -- a ceramic body (and they don't just mean the color). Apart from the fancy housing, there's a generous 4.8-inch, 720p LCD screen. It's Qualcomm in the engine room again, this time th