User blog comment:Avery FireFlame/One of Dose 1000 Edit Blogs/@comment-3222773-20121230211521/@comment-1874924-20121230213343

Actually, 100 is the first milestone and arguably the most important, because it makes a new user eligible to vote on the Feature ballots.

A thousand edits is probably the second big milestone, since that's generally when people start getting taken seriously as FU candidates.