I have a Samsung i730 from Verizon with unlimited data from their EVDO network, it's very nice, comparable to almost any broadband network you can attach to. If the signal gets weak enough, you'll drop down to their 1x network (around dialup speeds) and it's very frustrating. I just had my phone crash or reboot or something the other day though and I lost everything that was on it (all my contact lists and settings). I'm stopping at verizon later today to find out what happened. I'm very happy with it so far, aside from that.