This looks like a fantastic set of Zbrush tutorials, providing a gret breakdown of the entire Zbrush modelling and texturing producton pipeline, Hopely I’ll have time to watch them some time soon.

http://www.3dtotal.com/team/Tutorials_3/zbrush_training/lesson_06/zbrush_lesson_06.asp

Heres how to fill the gaps in a model using retopology

http://tinyurl.com/cfd5u9

and merging subtools

http://tinyurl.com/dm9rsh

http://www.youtube.com/watch?v=xXDZZt7TEAo

awesome

Siggraph was was off the hook, Softimage Ice is the future of our industry, The Blurr part was a site to behold, but for me the highlight was The I am 8-bit art show that, LAs incredible pool of artists gathered to pay homage to the world of old school video games. Plus Porn stars were playing vids topless, you cant ask for more then that.