http://seekingalpha.com/article/37369-choosing-a-real-estate-etf RWR, DJ Wilshire International Real Estate ETF (RWX) iShares Dow Jones U.S. Real Estate Index Fd (IYR) iShares Cohen & Steers Realty Majors Index Fd (ICF) Vanguard REIT ETF (VNQ) First Trust S&P REIT Index Fd (FRI)
Not an ETF, but might interest you anyways: http://www.cbot.com/cbot/pub/cont_detail/0,3206,1570+45295,00.html