Recommended theatre productions in London??

Question:I'm looking to go and see a play or performance. I've seen all the usual like Spamalot, We will rock you, Chicago and Twelfth Night to name but a few. Are there any up and coming productions that you would recommend?? Preferably in the West end of Leicester square areas/

All answers are much appreciated.

Thanks.

Best Answer - Chosen by Asker: I'm looking to go and see a play or performance. I've seen all the usual like Spamalot, We will rock you, Chicago and Twelfth Night to name but a few. Are there any up and coming productions that you would recommend?? Preferably in the West end of Leicester square areas/

All answers are much appreciated.

Thanks.

Avenue Q, Hairspray, Les Miserables, The Phantom of the Opera, or Wicked.