It's a shame to lose a Joker as they can offer great value in the right circumstances. I've just used the last one from this year (my membership year ends today) booking SCL in J over Xmas and New Year. The other one got used for a long weekend in CPT (J/F). Particularly when stacked with an AMEX 241 and / or GUF, they can create redemption bookings worth many £000's.