I don't care who is in my house if you were not invited in and you enter my house, you are breaking and entering as well as trespassing! You will be met with full lethal force as you are not welcome in my home!
All things considered, I am not going to let dB affect my choice as my main goal is hearing safe. Not all cans need to be taken apart either. I do like the ability to use one can for multiple calibers, unless I want to shoot more than one at the same time.
Not sure the porting is really necessary. I have no problems with recoil when shooting mine. Also, the port blast will blind you more than muzzle blast in a low light situation. No thanks, I will stick with the standard version.