Here is what I have in mind. This will be my first time setting up a home theater. I have a fairly big living room. 18ft by 23 ft. I would love to get some help in choosing the right system. I did a little research. 7.1 system Denon receiver 1913. Front 2 klipsch WF35 floor standing. Center kilpsch WC24. Surround 4 klipsch quintet. My question now is what sub to pair it with and are all the speakers compatible together. ? Budget is between 1400-1800. Any help setting it up would be greatly appreciate!!!