I'm going to be picking up a SVS PB13 subwoofer. Do you think getting a subwoofer equalizer would be worth it? The PB13 comes with a very simple single band equalizer. However, I was reading an article on the internets and heard that the Behringer Feedback Destroyer Pro DSP1124P combined with Room EQ Wizard is a great way to optimize subwoofer sound (better then the subwoofer crawl method).

Any thoughts on equalizers for speakers, would a reciever's Audessy mxt function be sufficient?