I started following @jquery on Twitter sometime ago, and they have provided a lot of great links and information.
One interesting link is to an article about methods for presenting information and creating systems to enhance user experience:
Delivering informative structure is the primary task an interactive user interface should be able to cope with. The more intuitive layout structure is designed, the better users can understand the content.
Read the full article on Noupe.
The jQuery foundation has created a new site showcasing designs that Use jQuery. They currently have only about 30 samples organized by effect/function category, but they do accept submissions so show off that great interface or behavior that you’ve created!
Jon Hobbs-Smith from the UK web development firm TVI Design has compiled a list of 25 tips to making your jQuery-powered applications easier to script and faster loading.