Diving into RIA architectures with Flex as an example

Now I have a need to dive into Flex architecture common structure and widely used patterns. Below goes the list of links I've found useful and interesting:

Introduction to RIA architectures

http://www.insideria.com/2008/02/understaning-the-architecture.html

Flex Architecture Fundamentals in 4 parts

http://www.dehats.com/drupal/?q=node/32

http://www.dehats.com/drupal/?q=node/33

http://www.dehats.com/drupal/?q=node/35

http://www.dehats.com/drupal/?q=node/36

Martin Fowler UI patterns

http://martinfowler.com/eaaDev/uiArchs.html

http://martinfowler.com/eaaDev/index.html

Great benchmark for different ways of Flex to communicate with external services:

http://www.jamesward.com/census/

(Yes, and SOAP/XML is 4 times slower than Flash-native AMF format)

All of these are really interesting articles that are definitely worth reading even if you don't have same need as I do.