Much better than last years opener, which was a bit of a snoozer. I was more excited about the new opening than the EP or new doctor 
 
I still find that Seasons 6 opening was the best since Moffat was head, but this definitely comes second. 
Tbh I can't think of an opener that was this good even in the RTD era tbh. It's definitely; 
The Impossible Astronaut > The Magician's Apprentice > Asylum of the Daleks > The Eleventh Hour >  Smith and Jones > Partners In Crime >  Deep Breath > Rose > New Earth
The opening episodes for the RTD era really aren't as good as I thought they were. His Final EP's though >>>>>>