2011 Commodity Outlook

[idiotstockinvestor]

http://www.commodities-now.com/news/...ll-market.html

So far they've been right, they are Bullish on:

Crude Oil, Corn, Soybeans, Gold and Copper, but why not Silver?
I was thinking of investing in the COW Commodity ETF or the BMO ETF (ZCA) which invests in commodity futures.
With inflation hitting the whole world shouldn't this mean food commodities will rise with the inflation of food prices?