Vade's blog also mentions a Processing workshop he went to - Daniel Shiffman's workshop pages has tutorials and examples for Processing. his website is http://shiffman.net/ - check the examples here also.
Shiffman teaches java programming :
the class delicious links are @ http://del.icio.us/tag/natureofcode/
& class wiki is @ http://www.shiffman.net/coursewiki/
NYU colab site has some good info & links on multimedia, processing, max/msp, gps and more
http://colab.hunter.cuny.edu/colabcms/news.php