I have gone through alot of subwoofers in my system and integration takes time if done right. For me to make it easier, I have used REW but I have used mostly A software called Smaart. Using the software just made easier if you know how to use it. Currently I am not using a sub since my Vandersteen 2ci has adequate bass response for the size of my room.
Did you ever buy too much bass?
I talk a lot about bass and integration of subwoofers in a system and I realized that I need to hear more about the experiences auidphiles have when they go buy speakers and put them in a room. Did you look at specs? Did you audition in the home? Did you end up with too little or too much bass compared to what you were expecting??