My wife and I are hoping to begin full-timing in a Fifth Wheel later this year. We intend to take our time traveling and will probably stay at each site for a couple of weeks or more. We have been looking at 5th wheels with GVWRs in the range of 16-17,000 lbs. and am trying to decide whether to buy a dually or SRW tow vehicle. I'm looking at a GMC Sierra 3500HD with a Duramax 6.6L diesel engine and an Allison 1000 transmission. The GMC specs say I can haul a fifth wheel with 17,300 lbs. GVWR with the SRW vs. 22,800 lbs. with the DRW. I am somewhat reluctant to having to drive a dually to the grocery store and around town but want to make sure the SRW doesn't create any safety issues. We plan to do most of traveling in the western US so we will be facing mountainous terrain. I know there will be pros and cons for either choice but I'd like to get ideas for what we should consider in making our decision.