AT&T's preaching about the mucho dinero it's dropping into renovating its network to pretty much anyone who'll listen these days, and a veritable cornucopia of press releases this week start to go into detail on some of the upgrades we'll be seeing over the course of 2010. We're counting at least a dozen here, covering everything from New York City to Florida to Oklahoma, but the message is basically the same in every one: more cell sites, more 3G coverage, more backhaul. AT&T liberally pimps its nine-figure investments in most states over the past several y
