I found the porting to be the least desirable feature for me. It may have helped with muzzle rise on my 454, but it sent a nasty shock wave back into my face. My 454 SRH has more rise, but less "blast". My 454 TC Encore has even less blast but a lot more rise.
I did not experience any exceptional twisting of the wrist on mine, at least not more than would be expected with a double action 454.
I do have another Raging Bull in 41 Magnum that is a pleasure to shoot. But the 41 is a much lower pressure cartridge. If Taurus made a non-ported version of the 454 RB, I would have one today.