I currently tow a 30ft - 2011 open range roamer 303BHS (7100 dry) with a 2013 f150 ecoboost (previously a f150 v8)and we loved the design & floor plan as it was different than all the others at the ti...
ironically most of my problems (swaying) are driving down I5 in washington state which is where you two responded from on your profile. not the best hwy to begin with.
like i said there is no rush, but if i do creep up on the speed for whatever reason (to pass for example) the trailer definitely lets me know to slow down. so there is a sweet spot.
that being said. i was wondering about the weight too, but will check into the suggestions mentioned as well. thank you.