I Tivo'ed the game in high def and have gone through the freeze frame by frame on my 60 inch Sony and I can't tell exact location of the ball on the play. That said, since the replays DON'T CLEARLY contradict the call on the field it's a TD. Sh#t happens in sports, Pittsburg came back when the Seahawks failed to close the deal. Whinning won't change anything.
Try viewing it as I did on HD at 106" and it still does not appear that that ball ever made contract with the white (goal) line.
And yes, I had the Steelers. That was some play.
I agree with the non-reversal if the replay wasn't conclusive. That's the rule.