haha man reading this just shows your really dont know what you want. your mind must be a constantly running machine continuously alternating from yes to no to maybe to i dont know. its cool though. thats why we have a forum and a ? on the keyboard.
i dont think you should go with 20's unless you lower it. thats gonna look huge and sorta weird i think. i like the blacked out idea (but of coarse im sorta bias cause thats what im doing
) but you should definitely changer the caps on those mirrors to black. id say dump the bed rails. i personally dont understand how that style really functions anyways and seem like they are more for style. the step bars i could go anyway on. i say just keep them.
but yeah its your truck and your decision.