Here are a few of the main things I'm taking away from it:
- I'm a fool not to be using APC (and maybe memcache)
- Zendconners really like twitter (I got sucked in: @carl_welch)
- I need to learn more about dependency injection and better OOP methods
- I need to give git a try (had a good visit with the guy at the github booth)
Update (Monday 26 October): I took some pictures, and I've posted them to flickr.