This is my problem/issue..... I'm thinking about upgrading my tow vehicle which is a 2000f-250 v-10. I pull a 23' maxum with a venture tandem trailer which is approx 5500 -6000 lbs. I'd like to move up to a dually because I'd like to travel to different boating locations. I'd make out better with price and upgrade if I go without it being a 4x4. So do I really need a 4x4 to launch my boat? What's your thoughts.....