Long Bed vs. Short Bed for Towing 5th Wheel???

I had a long bed from '93 to '05. For me it was not really much of a problem as I seldom went to the city. I bought a used short bed in '05 and realized I really didn't miss the long bed and I like the look of the shorter box better so I've continued with short box trucks ever since. Many short box trucks have tiny fuel tanks. I've never seen a need for a sliding hitch.