I heard power consumption will be decreased.  The original blades are 8.3 Watts per Giga Hash, so lets hope that gets cut in half.  

That would put a 10GHash blade at 41 watts and a half blade at 20.5 watts.  A 20watt 5ghash miner with built in controller is absolutely perfect for my purposes.

I hope the price comes down quite a lot too.  But I'm not holding my breath