Both good choices. The FA is universally acknowledged as one of the highest quality field revolvers made, but S&Ws are no slouches there either and the PC revolvers have a good reputation.
It probably comes down a matter of which grip style you feel more comfortable shooting. The SAA grip is difficult for some to master. I generally prefer it, especially for heavy recoiling loads since it is easier to let roll in the hand. The SA style revolver carries well in the field too.
I would pick the FA. But it depends on what you think *you* can shoot better. The inevitible caliber discussion may be relevant depending on the game you intend to hunt, but .44 Mag handles about any task you need in N.A. For 45 Colt, I've found that a 282gr RCBS45-270SAA bullet moving along at around 950-1000fps will completely penetrate and put down most critters within normal open sight handgun hunting range, so don't really feel a need for full 454 Casull power in most cases. You can easily download a 454 Casull if you want to do so.
