I posted this on another thread which was, I think, inappropriate. Anyway I apologize for one of them.
There's a DCS 420m, Monochrome, camera on eBay, item #230071545701. I pass on this one, good luck with any bidding.
DCS 420m Monochrome on eBay
DCS 420m Monochrome on eBay
Keep your mirror up!