What would you like to know? You have experience with boats and you will be looking for the same things that you would be looking for buying any boat: Condition of hulls, boards, sails and trampline (which will be new to you). A hole the size of a dime is easily repaired, providing that it was not from sun or age damage.

If you would like know issues with the F18 (pre-Infusion), I notice that it seems best conditions for that boat are really light wind and really heavy wind.

Later,
Dan