The setup in the Scriptorium with categorised tutorials, etc is excellent. I particularly like how they tend to include links to the research threads and/or more advanaced threads too if you want to chase up the issue further (or have some additional research that you want to add to the topic).

The R:TW Modding forums here have developed quite substantially from when they started. Initially iirc it was just the two sub-forums (what is now 'Modding Questions', and the Forge), which meant that all sorts of discussion and information got mixed up and hard to find. Now whenever I need to find something, it's a lot easier. And it's also easier to keep up-to-date too, as I can better judge which threads I might want to read (because of the seperate sub-forums), rather than having to check out all/most of them.