Terry,
That seems over kill for my needs....
I've found an ol' Carton mount which as no attachment/ saddle plates.
Most of the gear I'd use on this mount are fitted with Vixen dovetails, so all I need is something like the ADM vixen saddle plate:
http://admaccessories.com/V_Series_Saddle.htm
Could your dual rail be separated and still be sellable??