Some might argue it's the most subtle update in the iPhone family thus far, but Apple's iPhone 3GS still seems to be moving the sales meter, regardless. The latest and greatest iPhone officially hit the market a few weeks back, and even though Apple claims that demand is still far outpacing supply, we're of the belief that most everyone who wanted one has managed to snag one by now. During our time with the unit, we definitely didn't find too many reasons to upgrade from the already solid iPhone 3G, but given that you probably did anyway, we're eager to hear how things have turned out. Did you upgrade from a prior iPho
