Use to be a huge fan of zaino, Z-1 back in the old days, now Z-AIO, Z5, Z5,Z5,Z2,Z2,Z2,Z2,Z2,Z2,Z2,Z-CS now as I am getting older (maybe wiser...) I've recently switched to the ceramics (currently with Gtechniq CSL and EXO as well) and will not go back.
*Probably usually a few more Z5, Z2 in...