Since the benefit should mirror Marriott, read these and make up your own mind. I find it useful for normal sold out instances although haven't tried to use it in "special occasions". Christmas should be yes, Super Bowl a no.

http://www.flyertalk.com/forum/marri...-override.html

http://www.flyertalk.com/forum/marri...e-useless.html

Good luck. I saw that PLT is given for a $75,000 / year spend, did not know that.