i want the mth texas special BAD! its a nice looking set, but i keep talking myself out of it. is it worth the money? 650.00, plus another 200.00 for the add on cars = 850.00 i dont have anything MTH yet and know little about them. are MTH to scale? 1:48? or is this set at least? has anyone have this set or seen it run? if so what do you think about it?