Talk about a love affair between a man and his boat. $5K for that Switzercraft seems a tad on the high side, but I'm not in the market for one, so I could be way off. Looks more like more like he's put a price on parting with his fond memories of ghosts of summer's past.
Pretty cool! The first one reminds me of the Amphicar from the 50's, though it looks like it would plow under in a large wake. Second one is more my speed