Good source for detail parts?

Anyone got a good source for brass or cast metal detail parts like handrail stanchions and other such dress up parts? I drew a blank on the search engine.

See if this is what you are looking for

http://www.grandtline.com/architectural_parts/quarter%20inch/quarter_inch_arch_index.htm

and

http://www.tichytraingroup.com/index.php?page=view_category.php&category=Freight+Car+Parts&offset=0

http://www.pdhobbyshop.com/

Perfect! thanks