For the first three that don't like waiting, use the priority code below for mp3tunes upgrade to unlimited locker:

"Give a gift to your music loving friends -- forward them the priority code below! They'll get an express upgrade to free, unlimited storage when they sign up with the code. Send it to as many people as you'd like - it will only be activated for the first 3 folks that use it.

Priority Code: 5f7cb010702a994d
Sign up here: http://mp3tunes.com/signup"