One of the topics today was about the LED lighting and how the prices have dropped. Looking for an LED for under 10 bucks that will last 25 years? Here it is http://www.creebulb.com/
Here is the Geek alert for the day. It was on House wrap vs drainage planes. This is a link to the article that got the topic started.
http://www.energyvanguard.com/blog-building-science-HERS-BPI/bid/59648/Does-Your-Air-Barrier-Work-in-Both-Directions