anyone who works in the games industry can get into E3... you just need proof of employment.
half the register jockies at my local Gamestop go every year....
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I'd love to review CEs but I spend so much time just keeping the database up to date I barely have time to report news let along write...
it's also difficult to write reviews after the product has been released since at that point you've kind of missed the boat, especially with CEs since most of the time by the time you read the review you wont be able to get it anymore