Hey, you're not the only one with the issue, here's the previous forum topic :P
http://forums.x10hosting.com/free-hosting/94290-free-hosting-signup-issues.html
I've received a mail via their ticket system in the mean time:
Hey I also just signed up for a ad-free account and was given this bit of the message..
Is there anyway of confirming wether its actually going to take me an entire week before I can use this webhost?