Dune Buggy vs. Wild Jungle Buggy?

For those of you have gone before me... which did you prefer:


Wild Jungle Buggy:
http://www.puertovallarta.net/tours/tours_details.php?id=106

Dune Buggy:
(http://www.puertovallartatours.net/dune-buggy-adventure.htm)

we did the ATV tour and that was good. I would def recommend it. MudRats also has dune buggies.