We looked at the QB300 three years ago and really liked it but ended up buying the DS310 instead. We loved our Poineer while we had it. We upgraded to a Heartland Gateway 3650BH last year. We have had no issues with Heartland at all.
2015 Heartland Gateway 3650BH
2017 F350 CCLB KR FX4
2005 F250 CC FX4
77 Bronco, 302,C4,PS,PB,A/C,33" KM2s,D44/Lock-Right,9"/Grizzly locker