Offroad-Express

i own a standard 2004 nz new 3lt hilux flat deck vinal floors wind up window model on 16in steel wheels (standard) with origanal 235/70/16 bfg mud terrains now i dont go hard out off roading but want to improve the truck so i can go a few more places without worry. my wife unfortunatly sold her car so its the family wagon also, i do alot of tarseal driving so nothing to major that would change the comfort of on road so wat im asking is wheel and tyre combos and a lift as need new rear springs and shocks have snorkel and winch in mind already any advise welcomed cheers Damon