Enjoy the food. We set ourselves the target of eating something from every continent over the festival. You'll find a food thread on here somewhere I'm sure.
Don't care if his voice may be shot the audience will make up for it. I remember last time he played and everyone staggered home singing Na na na nana nah na. Wonderful moment.
I bank with the Coop and they emailed me a DEC link saying that they too will be chipping in match funding like the UK government. Lobbed in my £50 so, hopefully a double bonus for the DEC.
True about crowds but there are also plenty of tranquil areas to visit in places like the Healing Fields if you get stressed and just want to sit and chill. The important thing is to pace your self and not rush. You don't have to do everything or go everywhere.