This is a great project, thank you for working on it for the community!
I look forward to learning from your code.
Thanks!
Heres the souce code: (754 lines, 22667 chars )
http://drafts.thatcompdude.com/arduino/RGB_led_pwmViaShift2_ver5/RGB_led_pwmViaShift2_ver5.pde
Here are versions 2 - 5. Dont bother using anything older than ver5 tho, there old and VERY pre-alpha quality
http://drafts.thatcompdude.com/arduino/