The diffs are really large, but I think it's mostly due to the changes in ordering. Unfortunately, I think this is an inherent drawback to the forced-ordering in our coding style, given the current state-of-the-art of diff tools. (I.E. simple changes in names or modifiers produce huge diffs).
LGTM where I could pick out the diffs. http://gwt-code-reviews.appspot.com/1336801/show -- http://groups.google.com/group/Google-Web-Toolkit-Contributors