This may not help you much but then again it may.
There's a book out called "Into a Desert Place" by Graham Mackintosh. The book is his account of walking the Baja peninsula from San Felipe south to Cabo then back north to San Diego. WALKING!!!! It's unreal and a great read.
I've dreamed of making such a trip as the one you're making. But this book was as close as I'll get I think. It's got great info and a real flavor for the local color. Give it a try.

Enjoy your trip! :) I'm jealous.
Chris