Yeah i'm gonna go ahead and disagree with you. I have not heard the SX, but I have heard the HC. I have also heard they get loud, but like said they aren't SQ subs in anyway. The w6v2 is considered by many to be the ultimate SQ sub, I love them and desperately wish I had the money to spend on one of those suckers. How you can say the SX is a better driver than the W7 is absolutely rediculous. In what aspect is it better? SQ? No, SPL? Maybe by a hair, but in his case the car is going to play a much bigger role in SPL than the sub will. All the hype about W7s does not make them bad drivers, they are the exact opposite.
I'm curious where you pulled this information from in the forums...