You might also want to consider Walker Cameras who make a non folding 8x10...

http://www.walkercameras.com/XL_8x10.html

...if you scroll down, underneath the specs box, you will see that there is an additional specialist architectural version with 100mm of rise.

And here is a youtube video review of the Walker Titan XL 8x10;
http://www.youtube.com/watch?v=w3t4U...e=channel_page