I think you answered your own question.
Here is what I mean.
You already know how Panther works, it is something that is already behind you and because if you have read some of the rantings on the forum, you know that you may be an asset to Panther as an Owner.
If you did well with them, I would say stick with what you know and take your time looking around, you may not want to go after you are an owner with them. AND don't worry about the fleet owners... it really doesn't matter...