Quote Originally Posted by cluttered View Post
All the MF projectors that I've seen are 6x6; are there any that are 6x7?
Yes.

Quote Originally Posted by cluttered View Post
(For a sane price, anyway!)
No. Though you can occasionally find a very cheap Cabin projector that will do 6x7, I'm not convinced they have quality optics in them.

Goetschmann 6x7 projectors are The Real Thing but you need to be up for about $4k to get a new one with lens.