A few dates for you:
16th May: Imperial War museum, Duxford: Spring Airshow
30th May: Bruntingthorpe Museum open day.
All serviceable aircraft will be performing fast taxi runs.
3rd/4th July: Royal Airforce Waddington Airshow
10th/11th July: Imperial War museum, Duxford: Flying Legends & classics of flight.
24/25th July: Farnborough International Airshow
12/13th August: Lowestoft Seafront Air Festival
4th/15th Septmeber: Imperial War museum, Duxford: The Battle of Britain Airshow
More on the upcoming shows here:
http://duxford.iwm.org.uk/server/show/nav.24060
http://www.lowestoftairfestival.co.uk/
http://www.waddingtonairshow.co.uk/
Quite a list there and I'm sure there are a few more too. Let's hope the weather is good!
halcyon.