Don't forget NOT to get the crummy rubber tire valve inserts, they rip off the hub way too easily. Get the steel valve inserts and preferably the steel welded on rim protectors for the valve.
Getting stuck in the mud or sand or having one ripped off by a branch is a major pain as I found out the other week when it happened to me out in the woods when a branch tore off the entire valve on the right front wheel resulting in an instant flat. Jacking up the front with the FEL was no problem, but if it had been one of the water filled rears I really would have been in trouble. The replacement steel insert only cost $10 installed.