6oxo is also an AI (aromatase inhibitor) although it isnt as strong IMO. I always found it to be easier on the joints then rebound but like i said its not as strong, so perhaps at much higher dosage it would have the same effect. its really up to you, either option is good as far as I'm concerned.

__________________
I don't do this for my family, my friends, women, accolades, pride, or ego. I do it for me and no one else, its just part of who I am.