Hi Jim nice to hear from you Thanks for the interest and advice Re SOC models I think a section on Examples of SOC dynamics would be good with links to subpages on say BTW sandpile forest fire models Bak Sneppen Olami Feder Christensen and maybe one or two others I d also like to do a page on the Oslo ricepile experiment On power laws I ll be meeting up with a few scientific colleagues in the latter half of November and I ll have a good chat with them about how to revise that article Ditto self organization Alas in general I m not going to do much writing in the next couple of weeks because I have a thesis to get finished But I ll try to drop in some words when I can All the best Joe aka