Originally Posted by
BigLar
I wasn't aware that they were, and I've banged away at every promo Marriott has run in the past few years.
I have a Marriott Visa (naturally

) and I always use it, so I never paid much attention. However, there was a promotion (in 2004, IIRC) that was tied to AMEX.
I was on the phone with customer service when the last mega bonus was ending. She reminded me about the end date and when I told her I had to use corporate Amex she replied "oh, just wait spring then"
Looks like we should be in luck.