Got the warning - 2 TB Don't go too crazy that month.
I just got the call myself and notifying me they were dropping me from service - despite the fact this is the first month I was notified of the service change. They also refused to allow me to upgrade to buisness class service.
It wasn't until after I called them back notifying them of the recent change to my service they allowed me to get off with just a warning. If I hadn't of called them back they would've cut me off entirely for excessive usage.
The kicker is I even called them a week ago and the rep told us that by looking at our account we had nothing to worry about (I personally wasn't told till part way through the month). They claim I used roughly 2TB of bandwidth.