Since 2002 I've been riding a Kawasaki Nomad, mainly by myself. I am going on a 2 week 4000 mile trip next month and the wife decided she wanted to start riding with with me. I told her that the Nomad is comfortable for the driver but not very comfortable for the passanger on long trips. A couple of weeks ago I took her for a test ride on a Goldwing and she loved it. Today I own a new 2010 Goldwing "YAHOO." Will keep the Nomad though, still love that bike. It is a must that I ride with a backrest. I was wanting to intall a Utopia because the others interfere with the passanger's legs. I've read in the forums were some people have taken their bike to the dealer to have the Utopia intalled. My dealer told me that if I installed a Utopia it would void the warrenty. Anybody else heard that?