Nitro,

I haven't followed this thread but I can tell you that no one, absolutely no one, should be without M80s. As long as you have the room for them in your space and can form an equilateral triangle between you and them (or close to it), you will be in audio Nirvana.

House of the Rising Sone
Out in the mid or far field
Dedicated mid-woofers are over-rated