(add links to any code that you want to share from the code dojo)
Glenn and Chris saved the mortal soul of a MAF (managed add-in framework) add-in sample by changing it over to MEF
Before (MAF):
http://clraddins.codeplex.com/releases/view/9454
After (MEF):
http://github.com/lucisferre/MAFtoMEFSample/tree/PairedWithGlenn