Minor project here. I'm still on a recurring unlimited 3G plan for this iPad. So I'm gonna do a one month test with wifi turned off completely to get an accurate worst case scenario on how the new plans might affect me. I'm gonna use it normally, which is mostly web browsing, buying from iTunes, AppStore, using a few apps and watching a little netflix here and there, some google maps, etc.... Nothing I consider heavy, just casual use. Removing wifi from the equation will provide some good info. I'll try to post back in a month if anyone is interested.