you ever get confused with Fujitsu model numbers, just remember that even numbers are for the consumer model and odd for the broadcast/commercial side. Nothing except the above differences and the class rating, which is broadcast/commercial for the P42HHA30 and consumer for the P42HHA31. Only other difference is BNC style connection input jacks on the P42HHA31 and the less-secure RCA style inputs on the P42HHA30.



Link: Plasma TV Buying guides