Just a comment... a standard nye event would last from 9 till 3-4ish with 6 or 7 artists and would cost you between £10 and £20. So, in my opinion, a 16 hour rave with over 100 artists for only £37.50 is stupidly cheap.
Im off to Berlin for a few days with friends. always get out of the UK for NYE.. its rubbish! lol. Its nice to get on a plane after Xmas and go on holiday.. I find England depressing on NYE.. just the same old clubs, same old music, same old pissed / coked / pilled up people... Doesn't have that 'fresh start' feeling that NYE is supposed to have..
I don't really got to clubs that much unless mates are playing these days .. if i was in the UK it would be a party or get mates round .. thats what its about for me more...