It's sort of hard to believe, but AT&T finally has an Android phone worth paying attention to. Mind you, the AT&T compatible Nexus One is easily the best Googlephone on America's largest GSM operator, but this is the first one that the company has bothered to brand and sell on a subsidized plan within its own stores. Pundits could argue the reasons why forever, but considering that the carrier's doing all it can just to keep up with the demand for iPhones, it's hard to imagine that AT&T has been longing to pursue Android with reckless abandon. Believe it or not, it's been