Radar Rick, Freeper#66,878, was the first signup on 9-11-2001.
100,308 registered Freepers as of today (02-25-2003).
Projecting forwards, FR should have at least 150,000 by Election 2004, maybe closer to 175,000, or more as growth tends to be non-linear.
Click on sign up and you can see we have about 150 new sign ups per day.