Dayton QT255-4 10" Quatro Subwoofer 4 Ohm (Dayton Loudspeakers) from Parts Express. A friend of mine DJ's and builds his own towers. He says they are the best woofer he has used.

Thanks for the heads up on the RE on ebay. I don't know how I missed that. I would need to get a RE10 because of mounting depth and it won't work anyway. It's a DVC 4 ohm setup only rated at 175W. I would have to wire it to just one voice coil and that would drop my wattage even more.

 

Well, I finally settled on the Elemental Design 11kv.2 and placed the order. Now they are on backorder - figures.