Online resources
While Adobe Edge is still a very new application (especially considering that it is still in preview status), there are still a number of useful resources available for those just starting out with this technology.
The following are a variety of other resources for learning Edge:
Adobe Edge Preview:
http://labs.adobe.com/technologies/edge/
For downloads, FAQs, sample projects
Adobe Edge Community Forums:
http://forums.adobe.com/community/labs/edge/
The official Adobe Edge public discussion forums
Adobe Edge Runtime APIs:
http://labs.adobe.com/technologies/edge/resources/jsapi.html
The Adobe Edge developer documentation
@AdobeEdge:
The only official Adobe Edge Twitter account
Adobe Edge Wikipedia Article:
Edge Kingdom:
A third-party resource
Adobe Edge Forum:
http://www.adobe-edge-forum.com/
A third-party resource
Look out for the full version...