Hey ZDers, is Anyone from London or Near? Heading Over for from Ireland for Orchestra

[gary]

hey guys,

me and a friend are heading over from ireland to the symphony orchestra, and we will be arriving in gatwick at around 8am. trouble is i have no idea what to do in the meantime while we wait for the show. so i am hoping that someone would be able to recommend some places to visit while we wait, like good shopping areas, game shops, nerdy places and the likes?

thanks in advance
gary