Another "Is Fuel Injection a Worthwhile Upgrade?" Question

My hat is off to you guys who take long trips in classic cars. I know they can do it, but I would be too paranoid about something happening to the car along the way. I have other cars for things like long trips.
We built the inside of our '77 Shorty Van just for traveling. Full size bed in the back, some electrical if we have a place to plug in... I love van'n... :)