x3 Monitors, Vesa mount
Tv, Tv mount
By gaming gear I'm gonna assume you want perephirals and room decoration
PC itself, I'm assuming you want a prebuilts since your asking for people to make you a list of room recommendations but here ya go.
Fan set #1 Fan set #2 Fan controller
Sorry if the links go to to the wrong place work was long and I'm bouta pass out
That's alot less than 6000 you can probably get speakers/ headphones, sound dampening and paint your room.
The Mobo also comes with stickers and door hangar that says "game on don't come in" if your into that which I'm sure you are cause you sound like your 12