Well, looky here. AT&T has very quietly revealed it's going to sell the Sony Ericsson Xperia Play. No press release, no splashy press conference backed by a cheesy disco soundtrack. The thing just showed up at the carrier's holiday preview event here in New York City. We're told it runs Gingerbread, which would make it AT&T's second Android 2.3 handset behind the newly launched HTC Status. Alas, AT&T won't say just yet when the Play will be available or how much it will cost on contract, but we do know a couple things for sur