Jags have had more consistent success as far as playoff appearances, especially in those early years, compared to us. But when we're good we tend to be really good and do have a Super Bowl appearance and close loss.
Overall, I'd say historically we're even, but it's hard to argue that the Panthers as an organization are in a much stronger position financially and with attendance and such right now. Largely due to the quality of ownership.
I'd say they have us beat in that they retired Dan Marino (the 62-7 game). Once we retire Brees, we'll be even.