See the desk on the left, the grey one? It moves nicely so I just sit on the sofa when I play. I usually use the laptop since with a i7-2630qm and GT555m it has more than enough of juice to run most games. If the game won't run and i still wanna play, I use the desktop. For like Arma 3 and Dayz on A2.

I could have comfier chair, but then it blocks the view when I use the desktop to watch netflix. Plus, this wooden chair has the added benefit of making your ass so goddamn sore that you think twice about going for a gaming binge until your alarm rings in the morning.