Welcome! Yes, the RM forum should help you, and you might also check the wedding reviews section once you have some resorts in mind. As for the wedding numbers, I think most of those resorts that say 10 may be referring to the number of guests included in the package, but you can usually add more guests for a per person fee.
Have you considered a travel agent? They can be helpful for matching you with resorts that fit your needs. Good luck with your planning!