Looking for Some bookshelf's with specifics

[eclimax13]

Since I haven't bought speakers in a while, I'm a little out of the loop. Especially on the lower end of the spectrum. I'm looking to do a stereo setup in my weight room which is relatively small.

I need a bookshelf that is relatively shallow, under 10" and has it's own wall mount bracket on the back. I've been looking at the Energy Cb 20/10 and the Polk RtiA1 as I already own speakers from both brands. I'm open to suggestions. I'm reluctant to get the Energy speakers because of the mounting system, which seems will add more depth. I am mainly playing video games while using my elliptical so the speakers really only need to sound good in those terms.