Originally Posted by Tummy
Marriott does not match.
I didn't get a match, but I did get a comp to platinum (!). At the time, I was Diamond with Hilton, and I had a history of doing business w/Marriott, as well as future plans. I spoke with the folks at SLC, and wound up mailing all my documentation, along with a cover letter.
I was polite, and asked them for some consideration --- I expected Gold and got Platinum.
PS - I've put in over 90 nights since then, so I guess it was a pretty good gamble on their part.