Look like this?
http://picasaweb.google.com/starwagen/Bagawest/photo#5102738414762094658
If so that's a Bagawest cargo carrier, closed and locked at the back.  Great
extra waterproof storage.
BTW, that's my rig in the picture.

On 8/25/07, John Reynolds <kayakjr@comcast.net> wrote:
>
> Heading into Newport RI Friday eveing was a dove gray - blue-ish Westie
> with a hugh airfoil towering over the luggage area.  This looked just like
> one of those air foils on tops of the cab of a semi-trucks.  It was painted
> the same color as the vanagon and this thing was tall, possibly 3' tall!
> My guess it was to defelct air around bicycles ona roof rack, but the roof
> was bare, bikes were on a rear rack.
>
> Anyone familar with this rig?
>
> John
>