Don't forget good marketing. The best technical solutions don't always win out when the marketeers get involved.
But yes, for a given SPL the ported design will be smaller and require less power. But since nothing is free your going to pay for it in other areas.
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975/7075/SMS-1
Aperion Verus Grand Towers & Bookshelves, Verus Forte Center, Infinity Surrounds, Ultra-X12
Oppo BDP-203, XBOX360, Xbox One
LG 65" OLED
RR2150 w/Klipsch SCR-2