Anyone use US Mobile? Thinking of switching from T-Mobile (3 lines at $120) to 3 lines at $60. But then I need a new phone... waiting for a good promotion to s

Anyone use US Mobile? Thinking of switching from T-Mobile (3 lines at $120) to 3 lines at $60. But then I need a new phone... waiting for a good promotion to switch to AT&T or Verizon.