there was a recent thread on waitlisting which is what you're looking for and the basic response was no, except by individual properties..........
http://www.flyertalk.com/forum/marri...st-elites.html
Originally Posted by
ElPresidente
Hi,
Is there some way to monitor award availability?
I have seen rooms open up at certain properties, even at the last minute but checking the website is tedious. For flying there's ExpertFlyer, but I haven't found anything analagous for hotels. It'd be great if it could email/text me.
TIA!