Thanks everyone for the feedback. I think I'll pass... it isn't much bigger than a large juvy I can get from the LFS and the price is a little more than what I would pay.
That is a nice compact female in stress from being bullied. Looks like it's got a deflated large hump. If I was looking for a female GT I would get her. She's nice. Just in stress there. Don't count her out because of that. We've not seen the real side of this fish