Pegg as Scotty? Sold
Urban as McCoy? Sold with an extra slice of AWESOME. With a marshmellow.
Quinto appears to have figured out how to resequence his genes into 1960's Leonard Nimoy. Sold.
Chris Pine? You mean the Chris Pine that was in such classics as The Princess Diaries 2: Electric Boogaloo?
That Chris Pine? Really? Him? Not sold.