Here is another pretty good alternative opening (well actually it is a little long for a true opening)
Also Nia's new VA
http://www.youtube.com/watch?v=dVDBtSzSyyg
Edit: And here is another alternative opening
http://www.youtube.com/watch?v=FQtoF...elated&search=
Also edited the first one for spoilers but I am not really sure how far back (episode 8?) is considered a spoiler on here.