If you are a fan of shooting games and you are using (or are going to be using) a Move controller you really should buy yourself a PS3 Move hand gun. They start at under £8, come in a variety of different designs and makes shooting with the move controller much more realistic. These are simple to use – just click in the Move controller, and much more comfortable in your hand which enables you to play for longer.
PS3 Move hand gun prices
£3.99 
Crown PlayStation Move Hand Gun (PS3) 
£10.20 Logic3 Move Sports Gun (PS3) 
£12.48 Logic3 Move Machine Gun (PS3)