Per Yahoo it's best to move your Javascript calls to right above your closing body tags since downloading scripts block parallel downloads which causes your page to take longer to download/render. (1) Now I'm not going to go into any metrics to prove this statement, we'll just have to take Yahoo's word on it.
developer
Barcamp Orlando
I just signed up for the first Barcamp Orlando. If you haven't heard about it and you're somehow in the web devel/design world and you happen to be in Orlando on Sept. 23, sign up - it's free!
I'm still toying with the idea of doing a Drupal talk.
Oh, and here's a brief writeup on what it is (I'll admit I didn't know until a co-worker told me).