Can anyone add to the below list with what I should bring with me??

2OR3 500ml plastic bottles of juice cos the heat is going to be mad!
Buy a Bonjovi T-shirt there!
Disposal or digital camera?
Some food of sorts, sarnies and mars bars?!
A friend!
A satchel to carry it in
The tickets!
I see alcohol is banned??
Anyone entering by gate G11x???????
Anyone think 12 midday is too early or too late for a good position in General Admission??

Thanks