A friend of mine made a small sample of titanium chainmaille a few years back. Was a total biatch to work with, but the result could be confused with Mithril.-p.
Two cool items today...Firrst, I think this might really be the holy grail for Luxeon driver chips:http://www.linear.com/pc/downloadDocument.do?navId=H0,C1,C1003,C1042,C1094,D4570Second...
One thing I forgot to mention... You don't need to use the fancy chips to get good efficiency. The chips just make the designs a lot easier and allow for fewer and less expensive exter...