You all know what I'd vote for lol
HOWEVER, either sub that you listed would be stable as a daily groundpounder if you set up the system correctly, design the enclosure correctly, and dont play full tilt for too long (well, there may be an exception or two)
When you said AA, I assume you meant Mayhem. When you said DC, Im not sure whether you means XL or Lvl 5. Can you please specify