Ideatica Redes Sociales

What is your best travel tip for backpackers interested in going to Mexico?

http://www.hostellingmexico.com/ cheap, clean, safe. 11 cities in Mexico. http://www.youtube.com/watch?v=-6UjZmHnbV8 Guanajuato if they are looking for culture and Playa del Carmen if they are looking Sun&Beach over 10 years ago