T,
In my opinion, NADA is not that good in determining value of boat, they just give general ball park $$$ range. There are so many variables that have to be taken into account to determine fair value. Most dealers use BucValue guide to determine trade-in and retail ranging...I have included the site. You can run a free search without having to subscribe. The other method is to search all the big web sites (yachtworld, boattraderonline...) and get a feel for what is available, and average out the price range. Last but not least, there are millions of boats for sale, so it is always a buyers market...don't rush into anything until you do your homework. Paying a few bucks for a marine surveyor is also recommended. Good luck finding your boat...
Tim
http://www.bucvalue.com/