Vodstock - This site looks familiar but I cannot put my finger on exactly why. It reminds me of a RSS directory but I cannot remember the domain. Anyway, they have a great collection of vodcast and provide helpful information for getting started with your own vodcasting. Seperated by categories, they have a little over 200 vodcast in their directory. Not a bad start at all. However, I wonder how they are finding/adding new vodcast to their directory. Do they rely on submissions or do they actively update it themselves or rely on bot/crawler/spider technology to find new ones?