the hull needs to be repainted too.
Keep in mind that the hull was not "painted" originally. The color and finish comes out of the mold in the gelcoat, and painting it is in no way restoring it.
the fuel tanks are the older 18 gallon models. can i replace thes with the new 20 gallon ones and at what cost?
About five hundred bucks, but worth it in my opinion.
there is a older but nice ceder strip raised floor in the cock pit
If the wood floor is fastened to the hull (screws, glue, whatever), that would be spooky.
The year 2000 Hondas is a good thing.
When we bought the TyBoo22 in 2001 it was a 1987 hull, sound with a restorable finish, and had year 2000 Hondas (75 and 8hp) with next to no hours. No electronics. The trailer (1987 EZ Loader) was in good shape. We bought it through a dealer and paid $22,700. Two and a half years later, with 900 hours on the motor, we sold it for the same price. I had put some money into it (windlass, tabs, fuel tanks, etc.), but figured the 900 hours of use should cost me something.
It struck me when I read your post about this boat that the situation is the pretty much the same. The age of the hull you're looking at is about the same as the age of the one we bought when we bought it. The accessories/needs are similar. It seems to me the price should be closer to similar, too. And if the only way to restore the hull finish is with paint, it should make you wonder how it got that way.
When it is all said and done, though, the value of a used boat is determined only by agreement between the buyer and seller.
Best of luck to you. And hey - winter is coming, so there is no need to rush just yet.