Welcome flyboy!!
You can subscribe to apug and that will give you classified ad posting privies.
You could do a wtb (want to buy) and I have had excellent luck here with wtb.
better than i would've hoped.

also large format photography forum which is much like here but mostly sheet film shooters is another good spot.

sorry to hear of your flood mishap.

cheers and jump right in, the water is real nice here.