I can recommend Martin Logan Motion without any hesitation.

I really like this new one. I want to upgrade to this one but got some big expenses coming up so I can't justify spending more money.

comes with horizonal stand: http://www.martinlogan.com/motionSeries/motion-slm.php



I have this one:
Only thing I don't like is that you need a stand if you're going to put it on the floor, but as I recall you have a stand for your TV so you wouldn't need to put it on the floor.

As you know I went through about 4 different iterations in the last 5 -8 years of trying different center channel speakers. Martin Logan was the only one that met and exceeded all my expectations. Don't cheapen out on center like I did previously. Go for a really good one, so you don't end up spending money over and over again.

Also the center speaker we built is yours if you want it