If you are a T-Mobile customer waiting for some 3G support from your carrier, then keep waiting. Chances are that T-Mobile’s 3G is coming to your city soon as the 3G network is expanding as we speak. Sacramento, California has just gotten 3G this week. Next week is Memphis, Tennesse and Tampa, Florida to get some. Then in November we’ll see Washington D.C. get 3G support. T-Mobile is getting its network ready for 3G phones, including their latest hit, the G1.