Curiously enough, the prepaid market had as much of a field day at this week's CTIA Enterprise & Applications as anyone else; we already got our fair share of hands-on time with the Samsung Transfix for Cricket, and shortly afterward beheld our eyes (and mandibles) on the LG Optimus Slider, the latest beauty making a beeline to Virgin Mobile as early as this coming Monday. Aside from the obvious slide-out QWERTY, the Android 2.3.4 device will feature a 3.2-inch HVGA display, a 3.2MP camera and microSD support up to 32GB, and will be