This also has me thinking of giving the M3's the nod

"I’ve had the opportunity to test hundreds of different loudspeaker systems over the past decade. From 80 to 100 Hz upward, the best systems—and I mean best in an absolute sense—have been 6.5" two-way designs." Tom Nousaine http://theaudiocritic.com/plog/index.php?op=ViewArticle&articleId=28&blogId=1