Forget about getting yet another car. I mean, that's just soo terrestial. How about a Gibbs Aquada? It drives and sails! Those seeking more rugged stuff/a hummer version, might prefer the "Humdinga" on the right.
UPDATE 07/06:
The Gibbs QuadSki, a cross between an ATV (All Terrain Vehicle) and Jetskis has been added to the ...