Thanks for the help.
Why not use enclosed in wall speakers? You get rid of the acoustic problems of on wall speakers and would easily fit behind your AT screen. You'll get better performance than a slim speaker as well. I wouldn't look at open back in wall speakers. They either need to have a back box or be in their own enclosure. The ones in their own enclosure are easier to fit if the drywall is already in place. Here is an article on baffled wall speakers (aka in wall).
For a thin speaker in your price range look at the Paradigm Millennia LP. There are many thin speakers but you are always giving up performance when you go too thin.
Samsung PN60F5300 | Denon DBP-1611 | Roku 3
Denon AVR-1713 | EMP E55Ti | EMP E56Ci | EMP E5Bi | BIC F-12
Topping TP23 | NHT SuperZero 2.0 | Velodyne DEQ-8R
I'll look into all of the options mentioned. I guess if I can't find anything that sounds good enough I will have to put the speakers below the screen which opens up a ton of options.
They are somewhat bass-limited, but a subwoofer will handle that nicely.
The MMG's are pretty cool! Bass is no problem, I'll be going with an SVS or Rythmik sub.
Considering they have a W-tm-W layout, you could use 3 for an LCR. With dual 6" woofers you get a speaker capable of very good dynamic performance above 80hz. This is a large 30 lb speaker, with a shallow depth. Should be exactly what you are looking for, and still under budget.
What do you think about LC2 center, L820's for mains and L810's for surrounds? That combo costs me $380 in shipping for a total of almost $1600. I could either keep 3 LC2's up front or add another set of L810's for 7.1 and still stay close to $2k.
It is near impossible to find a JBL dealer here. Best Buy carries some lower end stuff and won't special order. JBL itself doesn't list any dealers online. There is a JBL Pro distributor a few provinces away but they aren't helpful in finding non-Pro products. I do have quote requests out to a dealer in Quebec with a good reputation but shipping will be high. I also found a "dealer" a few hours away but the flyer I found for them lists an L820 at over $400...per speaker!