T-Mobile USA's really kicking things into high gear, coming from behind (way behind, actually) on its 3G launch to become the first to bring 21Mbps HSPA+ here -- and possibly the only one to do it, considering that its closest GSM rival is leapfrogging from 7.2Mbps HSPA to LTE. Speaking at 4G World in Chicago, T-Mobile's Neville Ray has gone on record saying that its 3G footprint will be blanketed by HSPA+ next year and is actually already up and running in parts of Philadelphia; amusingly, he was apparently a little weirded out by AT&T's earlier comments at the show that it'd have 90 percent of i
