Ron at the Sportsman's Den in Quincy, one of the board's sponsors (and a good guy I've known for more than a few years now) rents and sells Heritage KaYaks. He swears buy them as he uses them too... Maybe in a couple years I'll get one too
but I'll probably stick with one watercraft...
Here is his link
http://striped-bass.com/tshops/sportsmansden.shtml