"T-Mobile" and "3G modem" aren't two things you frequently heard uttered in the same sentence -- but now that the number four carrier's got a budding HSPA network that's all dressed up with no place to go, it's time to start rolling out some serious hardware (G1 aside) to take advantage. On that note, T-Mobile's finally getting serious about laptop data, launching its rumored webConnect USB stick today with an integrated microSDHC slot, HSDPA 1900 / 2100 / AWS for compatibility in the US and abroad, and triband EDGE for those times -- and there will be many at first -- when you're out of 3G coverage. The webConnect launches today for