Creative Workflow Hacks is a new blog about under-the-hood tricks to help you do nifty things in your favorite post-production apps. There's a section specifically about After Effects.
On that subject, if you haven't tried out the scripts from redefinery.com, you may not appreciate just how powerful scripting can be in After Effects. Check it out!
My hope is that, in the future, scripts and other user enhancements to AE will not be ghettoized to a submenu, but actually allowed to be a button or palette or menu item just like a plug-in. Sort of the Maya MEL-button shelf idea.