I haven't yet. I am booked for July 4th, 2012. My fiance and I read their reviews on wedding wire and were sold. HH is a little pricey, but we get what we want. Since they are not a resort, I don't have to worry about my local friends not staying there or my out-of-town guest having to stay there. In addition, they are so flexible--they remove and add things to the contract so that you are comfortable.
What I love the most is that they are prompt with communication. They respond promptly to all of our inquiries by e-mail (same day or very next day) and they have a 16-hour, 7-days-a-week, online chat that you can get most questions answered right away. I've been on chat with them for hours at a time, and they are both patient and attentive for the entire period. They will call you if you prefer to talk by phone. My fiance and I had an initial consult with them by phone.
I've been following the Iberostar thread on this site (which I recommend reading in its entirety for information and ideas regardless of where in Montego Bay you are getting married) and these women are always commenting on not being answered in a timely fashion. That would drive me crazy. (Actually, it wouldn't because I just would end up switching venues).
Nevertheless, we've spoken at length with the creative director, Alisha, and she knows what we have in mind for our wedding. She contacts us periodically with ideas as things come to her, and we love her for that. I feel so settled to know that my wedding details are in capable hands.