How to create metal shade in blender

Hiii
I have been trying to create metal shader for a project. But i haven’t got any good output so far. If Any one can help me to create really good lookingmetal shader(gold, silver, burushed…etcc…) would be really great!

Thanks in advance
regards
e-guru

you might wanna take a look at Oscar Alvarado’s metal library

http://www.esnips.com/doc/fad7a62f-816e-4922-a888-80cdba07caac

Blender art magazine car edition has brush metal.