First I'll admit I didn't finish reading what is a very, very comprehensive post... had to skim through the end. However, as someone who's intimately familiar

First I'll admit I didn't finish reading what is a very, very comprehensive post... had to skim through the end. However, as someone who's intimately familiar with the challenges of both learning and teaching Twisted, I can say that this really does get after the core "mental model" that prevents most people from grokking Twisted. Great structure, great diagrams, great code examples. Bravo!