Member "Pred" in the thread linked below indicated he has one Magnaported. It would be nice if he could produce some sort of review for all of us. Maybe you could PM him. I've thought about it and will consider it after I shoot some full power Federal 125 and 158 gr 357 rounds through it for chrono results and recoil impression.
Would you load a Scandium J-Frame with .357 Magnum rounds??