That's really cool that you're joining up, but your recruiter is just a uniformed salesman. You won't know what you have until you get your orders, and the recruiter has no say in that. Reminds me of this one guy that's really me that finished basic and then got to go door to door in El Paso TX collecting toys for needy kids (Operation Santa Clause) for 8 weeks waiting for enough people to show up to start the next AIT class. It was a great experience but it made me miss other appointments that the recruiter promised and ultimately couldn't deliver. Good luck to you Phil
edit: Also, I agree that you should go with at least 33's, and a taller tire under most circumstances will improve your mileage.