Sample Apps and Best Practices

I kind of like the .Net Pet Shop, and the lesser known French rival PetshopDNG -- a lot of their stuff is in, uh French, cos they are French, but some of if has a translated version www.dotnetguru.org/articles/us/PetShop20/PetShop_20.pdf -- because they come with lots of explanations about design decisions and so on, which a lot of sample and best practices examples dont. It would be great if there were maybe two teams on a lot of these projects, one to write the code and a second to document the thing behind in great details