Parking meters have made huge strides in recent years, with some of them -- such as pay-by-cell systems -- providing increased convenience to change-starved consumers, while others -- like auto-resetting meters -- have made it harder to get away with modest infractions like picking up a previous parker's minutes. Now, what may be the ultimate in parking convenience, the "personal meter" is starting to catch on in more major cities. The small card readers have been around for several years, but have recently become more popular; last month, Buffalo expanded its pilot system from a s
