Power Shares has some useful funds providing ezposure to various markets and sectors. But THIS particular product is designed for day trading speculators, not the likes of you and me (or most other people on this board).
Commodity options are strictly for experts - or folks with well-functioning crystal balls.
In this sector, MOO is a good choice for patient long-term INVESTORS, as a small part of a well-balanced portfolio.
Thanks for your pointer. I have gotten turned off from ETFs and do not plan to venture in them any more. I lost on several ETfs including UNG, DBC and DBA, etc. The only good one for me was SLV which also I sold recently at 17+ though I think it may go to 20.