Oddly enough, the legal wedding rules in Mexico are the reason we opted to get married in Jamaica! As much as we both love Mexico, and have been several times, being there "X" number of days in advance, plus translating all the paperwork, etc was just too much, and I found out it was going to be upwards of $750 to have all the paperwork translated into spanish. Jamaica was easy and fun. No hassle and we did get legally married there. I wanted my wedding date to be my "wedding date". Now if health things work out and we get to do our vow renewal next year, I want to do it in Mexico since all that's needed for that is a symbolic ceremony!
Good luck everyone and happy planning!