I picked up 2 '02 GTX 4-techs last summer in AZ (fresh water skis). There were dealer serviced and only had 43 hrs on them. I paid $8700 for the pair w/ the trailer, vests, gas jugs, etc.... The trailer looked brand new. As with anything, value depends on how well it was maintained and if it needs service or repairs. You may want to check out the NADA guide to get a baseline for what it's worth.