As soon as you can! Please, no later than April 15th!
Yes! Lots! Check out the schedule page for a general rundown of the weekend!
That would be extremely helpful if you know with certainty that you can or cannot attend.
Try to arrive at Emma's by 7:30 Sunday morning to leave time for parking and getting to your seat!
Please wear white to the rehearsal dinner! As for the ceremony, think Sunday best to formal, but remember it will be warm!