Some cool for unorthodox designers, specially CSS
Guys, while surfing some articles, I came across this site:
It is having some cool looking effects using CSS only (CSS3 I suppose) and the developer has provided open source libraries for most of her development. I hope this thing might be helpful for theme developers.

In case you want to read entire article from a single page, check
http://www.chipbennett.net/2011/02/17/incorporating-the-settings-api-in-wordpress-themes/?all=1&doing_wp_cron