hello i am looking to buy a new hd tv right know i have a 46 sony hd tv projection tv i am not happy with it i am looking at the 42" CineForm™ Director's Series™ Plasma HDTV 42HDX61 Hitachi i can get this tv for 4000 dollars shipped and setup.i need some advice should i go with plasma or lcd i will buy hitachi should i buy director series or non director series plama or lcd.