I am investigating the possibility of implementing a RIA involving lots of grid-based views (think Excel) using a combination of Django or Rails, and SmartClient (smartclient.com) or ExtJS.
Has anyone successfully done either and can someone provide some links to written or audiovisual material on this? I am looking or tutorials etc, specifically for SmartClient? There is plenty of material on ExtJS, little on SmartClient as far as I can tell.
Right now I am leaning towards SmartClient and Django. SmartClient because at first glance it seems more complete than ExtJS (though less extensively documented).
I have read through the SmartClient "Getting started" document, but I am looking for some more in-depth material.
Edit: I was expecting someone to vote for closing this as a matter of principle. I think it is a useful question if it gets a useful answer. I am not asking for a discussion on ExtJS vs. SmartClient or Rails vs. Django. Just looking for pointers to documentation.