'Yeah the roll center is what I did as a quick comparison. It is interesting to see how stuff changes under Rolland dive etc. For a free tool, this site is impressive. I appreciate your hard work getting the stuff measured/input!
I just when and checked my new layout and the RC matches between that and the analyzer, so rotating the plane of the frame must have had a bigger impact than I expected. Not a huge change in the RC, but different. Now I am going to have to post new layouts.