Sorry for late notice if you only (mostly) check the OF for iPhone forum here--this has been posted on the OF for Mac forum for several weeks now--and it happens tonight in Los Gatos, Calif, see this thread for more details and to 'RSVP' (not really necessary, but nice to know who'll be there):
http://forums.omnigroup.com/showthread.php?t=12789
Hope to see you there!