Don't let Carly's leather skinsuit fool you -- Magenta may be rebranding with a focus on high-speed network flash, but it hasn't forgotten the budget base it's built upon. Starting this July, the operator's bringing its prepaid and monthly4G no contract plans to shoppers at over 6,000 Dollar General stores. Cost-conscious consumers that take the plunge won't have the luxury of cherry-picking their chosen device, though, as only Samsung's t139 (a modest flip phone, remember those
