Here's the powerpoint decks we used for some of the extended sessions. Some of these have added sections on all the perf tuning recommendations we layed out. There's quite a bit that you have to consider when working in a farm scenario. Also, you'll find some best practice around flat file, and the Flat File project I walked you through building. In all you'll find the following:
1. Advanced Orchestration
2. Rules Engine
3. Building Pipelines
4. Messaging and Flat File best practice
5. Installation of farms and best practice and tuning parameters
Here are the decks, and here is the project we walked through to demonstrate parsing Flat Files...