S.Peelman on 11 February 2014
Nil.
But then again I don't pre-order that much in general. Only those that give me a pre-order bonus and then only if I care about said bonus. Or if there's a special edition I really need. Usually, pre-ordering isn't really necessary as a game is readily available most of the time.
I have a couple pre-ordered in my head though, I'm going to get Mario Kart 8 and Watch_Dogs at the very least. I'm hoping I have a bit more expendable income in the near future, so if that does happen, I can get more 
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