hippietrade..........i trade the SPY (500 -2000 shares) AND i can say without doubt the money i save not paying a that outrageous slippage makes me say that basically the emini was created to slowly churn a small "to death" much like the blackjack or crap tables in vegas do with their small % advantage....SLIPPAGE is the dirty little secret that destroys almost ALL successful backtest strategies... I expect baron to delete this post since it is not good business for the advertising sponsors to let this secret spread.