I've been waiting for this for quite a while. I'm extremely excited about Spore, and the Creature Creator Trial is a great taste of what's to come. I made this creature in about ten minutes. I've made four since downloading the demo a couple of hours ago. It's a lot of fun.
The Creature Creator made it simple to upload videos like to my YouTube account. As you might imagine, there's quite a few there already.
Update: I've added the Spore App in Facebook. I'm looking forward to it working (it really doesn't, yet.)