There's lots of content going up on sites all over the place. I probably wont add many more on here as that is just duplication - however check my delicious Windows Home Server tag - you can subscribe to it if you want to know when I add links.
I will also add any links and information here if I install any further enhancements to the home server. However at this stage it is performing exactly how I want it, serving up videos and DVDs to our Media Centre and backing up local PCS.
Here are the links that I have tagged recently:
mHome - embedded home automation control systems - control lights, curtains etc from windows home server