I understand frank and i agree w u. but u also have to agree that a disc that is broken in serves a new and different purpose. the old flx challenger will stay in my bag for sure but will now serve a new and completely different purpose.
Driver: 175g z stalker, 2x174g surge, 174g z predator, 174g flx Avenger SS, 174g esp pulse, 174g z force
Mid-range: 178g FLX, Z, TI buzzz, 177g z wasp, 177 flx drone, 177g meteor
Putter: 175g flx challenger, 2x175g softapx, 2x175 pro-d challenger