Aquatica D200 Housing back

I just had my Aquatica D200 housing upgraded to be used with a D300 and I am left with a complete, functioning back and saddle for the D200 housing. Anyone have any interest in half a housing? Parts? Back up? Ability to use two different viewfinders with a quick change of the back? That's what I think would be the best option. If you have an Inon 45 finder but want to quickly have either the straight Inon, Aquaview, or simply the standard Aqautica viewfinder, you could just use both backs.