I find that the full size tanks at 37.5 gal I think are not so bad. If I can go 300 miles on average between fillups it works for me.
I need to take a potty break by then anyway.
Going long bed this time around was the better choice. Besides I don't think they make drw shortbeds any longer anyway.
Scott-2013 F350 with a lot of tires.
2013 40' 4-slider stoneridge 5th wheel coming in at 15,400
Previous Truck 2008 F250 6.4 with lots of upgrades and a suspension upgrade from Torklift International StableLoads