i like the rockford fosgate's he2's i had in my car.. cost me less then $500 bucks a few years back. They were 10" punch .. Honestly, the sound of those subs were incomparible to any other. People all have there opinions but I think fosgates outperforms JL's and any other subs in its class.
That's my personal experience and opinion with those subs. Try them out. You wont regret it