I'm looking at picking up a subwoofer with my system and was wondering just how well the EP500 is compared to other subs out there? I'm looking at spending about $1500 on a Sub.

Room Size: 20L x 14W x 8H
Receiver: Yamaha RX-V2200 (6 x 100w)

Receiver: Yamaha RX-V2200
Main: Axiom m80
CC: Axiom VP150
Surround: Axiom QS8
Sub: SVS PC13-Ultra