Tutorial
http://www.connectusers.com/tutorials/
Comprehensive guides prepared by Adobe and Adobe Connect users, geared toward multiple user levels (Beginner, Intermediate, Advanced, Administrator).
http://www.adobe.com/resources/acrobatconnect/
An Adobe Connect learning site, with tutorials, setup instructions, and links to meeting essentials and tips.
Community
http://www.connectusers.com/
User community that helps you stay up-to-date on new features as well as connect to user groups in your area or industry.
Twitter users
Join Adobe Connect on twitter for tweets about user group meetings and events, Adobe Connect news, and anything else related to Adobe Connect.
http://www.linkedin.com/groups?gid=718517
For LinkedIn members, this Adobe Connect group provides another forum to connect online.
http://www.facebook.com/group.php?gid=43872515425
The official facebook group for Adobe Acrobat Connect Pro Uses. A companion to our user community site ConnectUsers.com.
http://meeting.psu.edu/ (hosted by Penn State U for worldwide users)
Adobe Connect community hosted by Penn State, where users from around the world are welcome to log in and contribute to the community.
Best Practices
http://blogs.adobe.com/acrobatconnect/best-practices/
Articles from experienced Adobe Connect users on ways they have found to maximize the success of a meetings.
http://online.fiu.edu/files/faculty/adobe_connect_pro/best_practices_connect.pdf
A printable document that identifies a collection of best practices for using Adobe Connect.