i am going to run yokohama geolander M/T they do a very good job in the sand and dirt rocks exc. awesome tire for sure i know evryone doesnt like them but id say 98% of them mostly rock crawl them. P.S. if you do alot of dirt road driving and like to run fast try 32psi probably the best for them
http://www.yokohamatire.com/tires/geolandar_mt.aspx