Quickly following AT&T's footsteps, Verizon Wireless is throwing its hat into the early upgrade ring with a few unique twists and turns of its own. The program, known as Edge, will offer you the ability to pay the full retail price of your phone on a month-to-month basis, with the cost spread out over 24 months (as opposed to AT&T Next's 20 month). However, you'll also be
