You could try bancotel.com, but I don't know if they sell them individually. I have heard you can purchase them from most travel agents once you arrive.
Bancotel Hope that helps.
_________________________
Ben
pbchamp@intercom.net
------------------------
I think there is a world market for maybe five computers.
- Thomas Watson (1874-1956), Chairman of IBM, 1943
"The more I meet new people, the more I like my dog."
Be happy while you're living, for you're a long time dead.
- Scottish Proverb