Thanks everyone! The number of tickets I would probably be buying are 6. I don't know if that are too many to buy at the box office or not for such a popular sold out show. Also where are the best seats? :)
"[My son]'s really into my music, but one day we were listening to Billy [Joel] in the car and he said, 'Daddy, I think Billy's songs are a little better than yours." (Michael Cavanaugh)