I don't consider myself a heavy data user. When I'm home or at a place with wifi, that is what I use. I stream podcasts with Google Listen mostly and use Pandora in the car. My commute is roughtly 90 minutes per day. So far, I am averaging 7-8GB of data each month. I thought it would be less. Wait till the Netflix app hits. If the Netflix app is not crippled to only work on wifi only, my data will probably go to 15GB a month. I don't think that I will be the only one either. I have the paid version of PDAnet but rarely use it. If and when VZW goes with tiered plans, the late adopters will be screwed. I will not be able to afford paying per byte for anything over a 2GB limit.