Now a days you have your pick from tons of people making tutorials. But the problem is that almost none of them are good. Its hard to get some one to nail down the basics and even more importantly teach them in a manner that is easy to understand. Creative cow is one of the very very few places that makes tutorials that are so well made they have become a staple in the online Mograph and VFX community. They host some of the best and most useful tutorial you can ever hope to find on the web. If you are a AE user your owe it to your self to watch all of these tutorials.