Camera Review now has full specs for large format lenses. You can choose the len ses you are interested in and get a side-by-side analysis of image circle, shutt er size, weight, etc.
The web site also has rankings of the most loved (and not so loved) cameras and lenses as determined by user input.
Tamrac contest - Submit a review of a camera or lens and be entered to win a Tam rac Pro Photo Bag Model 608.
More info at http://www.camerareview.com.