I have used the LevRG, N'Sane and Response and they are all great pieces but I always find myself going back to older MoRich equipment. I like the AH, S&A and S&D and the Vanguard core over everything with a EZRev I've tried so far. IMO, the Vanguard core reads the lane better, for me anyway. Don't get me wrong, the newer MoRich is great but more condition specific than the older equipment.