Really not difference. Feeders will follow Fats. 

Real answer in a mature market is what will Managed Money Do.   Legalized Gambling on Commodities.

Board and Cash have separated and the use of the board as a measuring stick for LRP ect, and where cash will go is nothing more than a Mirage.  

Expanded limits make swings more dangerous to us humans playing games with computer algorithms.  

Time to really look at the Game.    .