Keep the Hydra Sports on the list as well. Their Vector Series 24 is a great boat with Very good range (350 MI), and a very smooth dry ride. Although the hullsides and decks may be cored I don't believe the hull is. At least not when I sold them a couple of years ago. But I could be wrong now.
http://www.hydrasports.com/Boats/Boa...=1&bid=71&sn=7