Moros

lol ya, sorta fat fingered (wishfull thinking) on that RF- 82 II

Hi all, Hoping to get some advice before buying speakers for a new theater room. I have about a $6k budget and am looking at the following setup. Center: RC-64 II Front Towers: RF-82 II Side Surround: RS-62 II Surround Back: RS-62 II or RB-81 II Sub: RSW-10d With the room layout below, which has no back wall and opens to an upstairs hallway and the stairwell, would the RS-62 or RB-81 be better suited for back surround speakers? Also, is a 7.1 system maybe too much for this room (I know you can never have too much but I thought I'd ask). Any adivce is always appreciated. Thanks (not sure if the image is working so here is a direct link just in case 'My Layout' )