For all 3-channels driven, the ADA-1500 is capable of cleanly delivering 500W into each of your fronts for about $US900 per channel delivered to your door. As a bonus, it's a 3U form factor. Do you know of another manufacturer that can deliver that kind of power for the price? And form factor?

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