i went to glastonbury all of my childhood (age 0->). and it was fun. but it does limit you as a parent (esp as then i was left in a tent on my own and now you wouldnt even entertain the idea for a moment).
i really started to appreciate the festival when i was about 5. i have solid memories from then, before that its all a bit of a blur. tbh i could've been in any field anywhere.
what interests kids and adults differs greatly - and you will get mighty fed up of watching madge enjoy hours in the kids field (lovely as it is) playing in a sandpit that could be anywhere not enjoying what you see to be the rest of the festival.
you'll also have to fall in with the rest of the festyival with regards to eating at certain times and washing at certain times, whereas as an adult you can eat in the middle of the night and avoid the queues.
however the family field is great and i still camp there.
i'd do glasto as an adult and something like womad or larmer tree with kids. smaller, friendlier, less frenetic, more fun.
