Spread ETF's by FactorShare

Just got the heads up from IB about these new spread ETF's.  They look awesome but don't trade much.  It would be cooler if they had options.

From the e-mail I received from IB:

We are pleased to announce the launch of FactorShares -- five innovative, first-to-market spread ETFs --through our partner, Factor Advisors. The initial five FactorShares ETFs pair up major asset classes from among the S&P 500 Index, US Treasury Bonds, Gold, Oil and the US Dollar, and include:

• FSE: FactorShares 2X: S&P500 Bull/TBond Bear
• FSA: FactorShares 2X: TBond Bull/S&P500 Bear
• FSU: FactorShares 2X: S&P500 Bull/USD Bear
• FOL: FactorShares 2X: Oil Bull/S&P500 Bear
• FSG: FactorShares 2X: Gold Bull/ S&P Bear