The real story is why if you book the same AC flights using US or UA miles, you'll pay half or less for the same flights.
Originally Posted by
yerffej201
i don't remember what the signup bonuses used to be then

There were none. But back then not only could you get 4 business class tickets anywhere in the system for 150K (and each could be used separately to different destinations), you'd get 7 nights in a suite at a Starwood or Hilton property
and a week's luxury car rental!