looking to purchase a 99-02 ram 2500 what i want to know is would i be better off with auto or 5speed. i wont be hauling anything major. maybe a load of dirt or a trailer with a 4 wheeler on it. i know these are the options i want when i buy it quad cab short bed 4x4 diesel anything else im missing lol. and i need a list of mods to do once i get it. im thinking exhaust chip rims/tires headlights/extra lights behind grill.