I have a lightly used Nikon D200, body only, for sale. It includes the original box, charger, battery, cables, etc. It is a US model, not grey market. I'll also include a 4GB microdrive.

Here are the specs on it.
http://www.nikonusa.com/Find-Your-Ni...5235/D200.html

It sells used for $600+ on Ebay and $700+ in stores.

$575 obo.
I will consider trades for aquarium related stuff.