I love the 18/20 seacraft, but you can also afford to look at the alternatives . . . The 18/20 Seacraft is way sexier and is a very very good hull, but this little henryo will outperform the 18/20 seacraft in big seas. Here are a few running 17 HenryO's that need nothing for $2500 - $4300.
http://norfolk.craigslist.org/boa/2288558081.html
http://eastnc.craigslist.org/boa/2316295647.html
http://treasure.craigslist.org/boa/2255299226.html