There's a bit of debate going over in this Reddit thread whether painting the brick was the right choice or not, but I think overall this den makeover resulted in a big improvement . The owners transformed a traditional den into a modern home theater space with large projection screen, hidden flat speaker wires, and audio system, ready for the finishing touches before movie night...
The "after" photo is unfortunately tinged green; the color correct dark gray walls are complemented by new laminate flooring (replacing an outdated vinyl floor underneath, with a no-glue or nails solution from Lumber Liquidators) and brand new baseboards; the system is connected with a set of flat audio cables, a 3D HD projector mounted overhead, alongside finishing touches like brushed metal outlet covers.
He's right, darker walls are best suited for dedicated home theater spaces, as we explored when discussing paint colors and flooring choices.
Here's our Tech 101: A Crash Course in Home Theater Projection Screens and also our Installing Flatwire 5.1 Surround Sound Wiring how-to's as refresher courses if you've got the itch for planning your own den of cinematic pleasures.
(Images: meeeeoooowy; Gregory Han)