The Medium Format solution may be to Pentax' advantage. If 35 lenses don't have a good enough angle for straight-enough sensor coverage, medium format lenses certainly do! With all of the extra distance available, the angular improvement will be to the larger negs advantage.
As will film, so with digital. My 2 farthings, Collin -------------------------------------------------------------------- mail2web - Check your email from the web at http://mail2web.com/ .