So I've got one of each of these cartridges, does anyone have experience with either? Which one sounds better? Both need a new stylus but if one cartridge is better than the other I'll just buy a single stylus. Problem 2: Finding the correct stylus that sounds good and won't wreck discs for either the 600 or 680EL. Record player is a Technics SL-1200MK2, have no idea if the 600 cartridge is an E or A type. Advice needed!