Ideas for the homepage

I think the original prose were good but just need to drop some flab down the text gym. I've made it do all the pushups and do a Rocky montage run. Take a look and see what you think. Most notable is the nifty contenteditable "make your own url"...

![david-got-a-brand-new-bag](https://f.cloud.github.com/assets/58871/113686/899a1212-6b6d-11e2-87f5-0107e5c9b6ed.png)