Is going well. Several thousand have shown up, and though police got a jumpstart and actual Wall St itself is cordoned off (the rich always get thru with a pass), Liberty Street, which is actually much more visible, is where the camp is set up now. There are already lots of little heartwarming stories, like when someone tweeted they were hungry and a local pizzeria got $2800 worth of orders to deliver:
I'm very proud of our brothers and sisters for this. Indignados, unite!
Update: The Guardian has posted pix of the indignados in action: