[QUOTE]Originally posted by Spiff:
[B]They are confirmable if Z inventory exists for your selected flights. Otherwise, you go on the waitlist or must choose other flights. If you go on the waitlist, you may never clear it and you're out the extra $$$ you ponied up for your M+ ticket.

Oh well -- I may do foolish things but I wouldn't pay for an M ticket without the confirmed Z! Waitlisting Q/K on segments is about as "daring" as I'd get!