Digital Genetics

As I was learning how to use ExtJS effectively, I frustratingly scoured the net looking for resources and tutorials that would help me. Below are the fruits of my labour; Im sure there is more to add to the list, but this is what I have so far:

ExtJS: Official Website

API Documentation
The ultimate source of documentation for the ExtJS Library. A must have bookmark if your serious about using this framework in your own online applications.
http://extjs.com/deploy/dev/docs/

ExtJS: Beginner Tutorials
Get started quickly using a variety of Ext components and widgets. This is a great place for beginners to get up to speed with specific aspects of Ext.
http://extjs.com/learn/Tutorials

ExtJS: Samples & Demo’s
ExtJS’s showcase of sample applications and GUI components. Very useful as a starting point for learning usage, implementation and even interface ideas.
http://extjs.com/deploy/dev/examples/samples.html

Custom Google Search

Ext Forum Search:
http://www.google.com/coop/cse?cx=011693920879787039234%3Az7of1ufqccu

Ext Wiki Search:
http://www.google.com/coop/cse?cx=011693920879787039234%3Aemh8nsfrx7e

Saki’s Extensions, Plugins and Know-how

Jozef Sakalos (aka Saki) is a member of the ExtJS Support team and has his own repository of extjs info, samples, extensions and custom plugins.
http://extjs.eu/

MiamiCoder

This website has some useful beginner tutorials and sample code you can download.
http://www.miamicoder.com/default.aspx

Formbuilder

Frederic has done some fantastic work putting together a visual form builder for ExtJS. It is extremely handly and will shave many hours off the time needed to develop forms. Quality bookmark material!
http://tof2k.com/ext/formbuilder/

ExtJS Plugin Repository

This website features custom developed plugins that extend the core components provided by the framework.
http://extjs-ux.org/docs/

Layouts in ExtJS

Good explanation of the usage of layouts, regions and viewports
http://www.packtpub.com/article/layouts-in-ext-js

ExtJS Library: Background Research

ExtJS have compiled a handy list of external resources which provide a deeper understanding of the technologies that have went into the ExtJS library itself. No doubt, most of you out there will not be suprised by many on the list, but it does make for interesting reading.
http://extjs.com/learn/Manual:Resources

If you know of any others which I have missed, please let me know