Stocks and bonds and...silver or something?

What are some great, informative sites/forums related specifically to trading/investing in/selling metals? Apparently metal is where it's at now that the dollar is dropping. I know little to nothing about finance and trading, etc. - but my boyfriend does and he's getting into metals trading/futures/whatever you call it. He needs to bone up a bit on his knowledge of the particular subject, but I'd also like to support him by learning about the stuff myself. This whole question is probably worded incorrectly, so you should realize that I personally am a complete novice. I'd like to be able to talk to him about his work. With that said; please, kind, brilliant, all-knowing Mefites, direct me to some quality entry-level info on the subject and also to some material that's more advanced (in other words, assuming the reader is in the industry) so I can support my wonderful man in his new endeavor. Thank you most kindly!