I've been considering it for a while now. My wife and I are on a family plan with the in-laws on AT&T, so we only pay $100 for 2 lines on a 10 GB shared plan (5 lines on plan, but two use almost no data). I love the price, have no problem's with AT&T, but don't really like being on a plan with my inlaws. So, depending on the details of them paying your ETF, I'll seriously consider switching. My biggest sticking point will whether they let me keep my AT&T phones (which I would like to use on their network) or if I have to trade them in and get two new T-Mobile phones.