bmrr,I can't be of much help to ya since I run my Maggies full range for music...but just wanted to chime in again with my thoughts on the Auralex SubDude HD.

Tonight I fired up the Russell Crowe version of Robin Hood with the M8 on the subdude and the results were very impressive. This is one really good sub! The bass is very clean, and the sub can play subtly or it can provide plenty of impact for certain effects. Any scene where there were horses galloping were very intense, along with the part where several English soldiers were ramming a large door with a tree, lol. The impact was very effective, and there was no bloated rumble at all. I don't know what driver this is in the M8, but I like it.