Looks interesting. I've asked myself why surround sound systems don't approach sound fields in this way.
The only issue I see is with implementation. You would need a cheap mic that would be able to distinguish the direction sound is coming from.
I have a theater of RP3s, RC-7, RS-7s and a listening room of Golden Ear Triton two towers... I'm looking for the amp to run these. I am going to go with a 5 channel amp at first and then buy a 2 channel down the road. But for now the 5 channel will do both... of course not at the...