This IS a nice offer! You don't need to do anything to sign up (okay, a name, email, and email confirmation), and you get the chance to win some nice gaming gear! By the way, this is from Razer themselves, so it's legit.
http://l33t.razerzone.com/index.php?user_d...e518d3a358945fd
http://l33t.razerzone.com/index.php?user_d...e518d3a358945fd