Jensen Harris is easily one of my favorite blogs to read because he is posting about user interface design and usability (in regards to Office 12) and is just a funny guy.  He has put together his top 30 picks for his best posts since he starting blogging about Office 12.  This is a great summary of all the fantastic and interesting info he has laid out for public consumption.

Beta 1-derful: The “Top 30″ List