first - for those of you who don't know what Lockerz is, it's an invitation-only site. There you can earn points and well...redeem all kinds of electronics, such as psp go, ps3, Wii, Xbox, etc.
the site is 100% free and 100% legit! check youtube for proofs
as i said it's invitation-only, so those who want, send me a PM with an email, and i'll send you the invitation