Well Nebraska won't be a problem anymore. Moving to Texas. It's why I'm switching. Otherwise I would sticking with Sprint. I like being able to use 20 GB a month.I'd keep an eye out though, as Cricket has a lot of dead spots due to not roaming off of AT&T (at least that's what their map still shows): https://www.cricketwireless.com/map.html
OP mentioned Nebraska, and there's a huge gap there...other than that, their service and pricing is pretty competitive.