Each qualifier for DMFs are separate events. The Worlds player meeting was a special thing, because that was Worlds and there was really only one qualifier tourney. Unlike, say, DMFs or NAC.
Registrations open an hour before each individual qualifier event. And at DMF, everybody's going to be in those qualifiers, no matter how many top 8s we've had before. ;)
"The beatings will continue until morale has improved."
- Standard corporate management technique