I was diging in the ADV site and found some good stuff:

I should plan on leaving in the Fall to avoid the riany season.

Guatamala has great deals on immersion spanish classes.

Looks like I should get the book Two Wheels Through Terror. 

Very cool blog from a similar trip: http://www.bckgs.blogspot.com/

 List of stuff to think about: http://www.advrider.com/forums/showthread.php?p=2774308&posted=1#post2774308

Looked on Craigs List and damn if someone didn’t post a 2004 KLR 650 for $3500. Its like Shannon’s psychic or something.