File this one under, “Duh.” If you had any doubts that the new MacBook Pro’s could suffice as a mobile gaming rig, shove ‘em out the door. This video above is allegedly - but why would he lie? – a clip showing TF2 running at native resolutions with zero lag on a new 2.53GHz MacBook Pro via Windows XP through Boot Camp. Granted, the GeForce 9600M GT…