Lucky for us Rudi Grobler has 'been tasked with' learning Prism, the Composite Application Guidance for WPF. Lucky, since he shares all his experiences on his blog so we can learn with him. According to him:

This is truly my idiots opinion about what I have learned trying out PRISM!

Well I consider myself an idiot as well (and damn proud of it), and found his posts so far pretty interesting :)

Here's the list:

Learning Prism
Learning Prism - Redux
Learninng Prism - Modularity