Remember when AT&T's Ralph de la Vega got caught up in the middle of mixed words over a supposed Dell smartphone at MWC? Turns out, maybe that cat has seen a cellular prototype from the labs of Round Rock, but given his displeasure with it, he brushed it off as no huge deal. A fresh report from Barron's asserts that Dell actually has shown off both WinMo and Android-powered handsets to an undisclosed amount of mobile carriers, but essentially, everyone met them with a gigantic "meh" and simply stated that the attempts "lacked differentiation." That said, it seems that Dell's not being deterred by the naysayers, and it has even led some analysts to guess that the company may pick up one of those other struggling cellphone makers in order to get some of that "differentiating" juice. It strikes us sort of funny, though -- since when did differentiation really matter to carriers?