Oh yeah, for sure you can have exceptional performance from dual porteds. There is just something "ninja like" about sealed subs.

I have done it both ways. Porteds go louder for sure. But man, to have that bass crack you in the chest, then completely dissappear, is really something else. IMO sealed units give the impression of a more dynamic experience -because there is no port lag or drone. Some call the experience "room lock" or sitting in the "poweralley". To get a similar tactile response from porteds you have to crank it loud. I think this may be the "noise" factor byproduct brwsaw is referring to. It gets to the blaring point I guess.

Here is a point to take it home. I would sooner not have ATMOS than go back to a ported setup.