Hi Geert, I've stuck a copy of the OpenPIC PDF at:
http://www.printk.net/pub/docs/openpic/ If AMD or anyone else objects then I'll take it down - I don't see why they'd care about it - but since it's not listed anywhere else and the guy we met from AMD thought it would be alright. Sometime soon I'll add a link on my own website so google finds this much more easily. Cheers, Jon.