To be honest i don't think there is a good season to go cos there is usually always some big name dj's in town,maybe the summers best though cos it's fucking freezing now:D Best clubs for trance would be Turnmills,Gatecrasher (last Friday of the month) and Peach.They are all held on the same day though so pick the best lineup it would be between Crasher and Turnmills always for me though.The crowds at these clubs are proper clubbing crowds,no attitude,they open till about 6am and i know at least two americans who have nothing but praise for the clubs in question from recent trips. turnmills Gatecrasher Peach