I would recommend looking at the brochures on the Jayco web site.
All models in the Jay Feather line for 2010 had 78" interior height according to my brochure.
Me, DW and 5 dogs
2004 F-150 Reg Cab,Long bed 4X4
2008 Flagstaff 625D Pup (keeping this one for now)
2010 Jayco EXP 21M Hybrid
ďThis isnít rocket science; itís more like quantum physics.Ē