Prices appear to be here:
http://homepages.ihug.com.au/~razzle/Options/options.html
Polaroid 110B with either Razzlok 1 or 2 4x5 back and original Rodenstock 127mm f4.7 : $900US.
Polaroid 110A/120 with either Razzlok 1 or 2 4x5 back and original lens/shutter assembly: $900US (price includes rangefinder replacement).
Polaroid 110B with interchangeable 4x5 back system and original lens/shutter assembly and one back of your choice: $990US.
Polaroid 900 with either Razzlok 1 or 2 4x5 back and fixed front standard...no lens: $750US.
Polaroid 900 with either Razzlok 1 or 2 4x5 back and moveable front standard...no lens: $790US.
Polaroid 900 with interchangeable back system, choice of Razzlok 1 or 2 and fixed front standard...no lens: $899US.
Polaroid 900 with interchangeable back system, choice of either Razzlok 1 or 2 and moveable front standard....no lens: $950US.
Leatherette colour change options include the following : candy apple red, deep burgundy, jet black, british racing green, sassy apricot, navy blue, brian brown and panther pink (when available). $100US.