I'm tempted Beasty, especially as DS' birthdya is the 16th. I could just combine the 2.
DS' routine is all to cock. We left DS with my mum and dad last night and he only had 8h sleep all night then 4 hours of naps today. Now we can't get him into bed. And I've just been a twat and done exactly what I hate DP doing to me. I went in while he was doing bedtime and woke up DS just as he dropped off. In my defence DP always falls asleep doing bedtime except this time and I went to wake him and bring him down. 
We have 2 more things to go to this month and I don't want to go now, it's not fair on DS and it's not fair on the babysitter. 
DS hates loud noises, I didn't even try him with fireworks this year. Think I'll leave him a couple of years yet.