I did notice a distinct difference when I watched him net warming up before the recent tri series final in perth. I was 2m behind the players so could see their bats very clearly and I commented at the time that roots six6 looks nothing like a retail offering. It was almost pregnant looking it was so big, the biggest bat of the players I saw (bailey, finch, smith, falkner, haddin, root, bell, butler, taylor) taylors f18 wasnt any smaller.