Think it’s about $40k, which isn’t bad – herself spent €25k or so some years ago on a PhaseOne back for her Hassies and it paid for itself quite quickly.
You can get the 31MP of the HD3 II for about €12k as far as I know.
Personally, if I was spending that kind of money it’d want to have a V8 engine and two fat white stripes on the bonnet.
;)