I think you will be disapointed about the plug-in usage.
My opinon: the plug-in is more for new-comers and not very suitable
(yet) for advanced projects.
I used it with my (complex) GWT projects that didn't give me any added-
value. It even gave me problems as it includes all the eclipse project
I'm an old school gwt user, and as such, so is my gwt project. I
think it was initially created using GWT 1.3. I have since updated
the SDK along the way and made the necessary changes (and just
completed the work for 2.0).
However, since my gwt project existed long before gwt had eclipse plug-