Talk-Polywell.org

Not commercially available yet, but hopefully soon...

http://www.gizmag.com/spider-silk-produ ... ped/18387/

Looks like there is more than one institution involved in getting Spider Silk produced by silkworms

http://www.physorg.com/news/2012-01-sil ... -webs.html

and from goats: http://www.physorg.com/news194539934.html