T-Mobile's Moon Shot? Might as well Jump. The magenta-minded carrier has taken the wraps off of Jump, a system that lets customers upgrade their handsets up to twice a year -- a plan clearly targeted toward gadget obsesses (and the fickle). Also included in the $10 a month deal is a total protection plan that helps out with malfunctions, damage, thefts and loss of handsets. As for availability? According to the fine print on the press release below (after the, wait for it, jump) the plan, "may not be available in all locations." Surely your local T-Mobile representative has more information on t
