Well, for your 100th review do you want a) a special/noteworthy provider or b) a special/noteworthy experience?
b) since you've obviously got the funds why not rent a hotel room for the weekend and have one long overlapping 16-way? 15 of your favorite girls come and go all weekend long, sometimes five at a time, sometimes 1 at a time, 2 on each side just to keep you warm while you sleep for a couple of hours. I'd bet when you got "bored" you could fuck all over the hotel and find all sorts of interesting things to do in the middle of the night. Be sure to get a nice hotel with a balcony.
a) most expensive or least expensive would both be interesting reads. A Carly review might be nice since so many of us wonder about her. Travel up to Dallas and see Nina Morretti if she's still around. Always heard she was hot.
Or...
c) track down and review a legend from the past that you never got to enjoy. Now THAT would be a great experience, a great provider, and a great service to your community
Take a look at my sig line for a suggestion on who a worthy candidate might be for option C.