Groups allow you to go for workshops for different topics, but also to join a development group.

If you want to sign up, or start your own group, this is a great site to work with.

http://www.meetup.com/

These groups have both workshops and some development groups.  Special events are also listed under the calendar for each meetup group.

NJ Area

Mark Rawson's New Meetup Group- South Plainfield, NJ:
Spiritual Journey Development Group of Central NJ
The group was created to give people in the central NJ area a safe place to grow, expand, and safely develop your spiritual gifts.  We will offer many different free and paid classes and workshops in the area of Psychic and Spiritual development.  If you are a loving person that wants to be in a group of loving people to develop and grow your gifts, then please join the group.  We welcome all people of all levels.

Click here for our Meetup group link

Montclair Metaphysical & Healing Group (http://www.montclairmetaphysical.com/)

Montclair Metaphysical & Healing Center
http://www.meetup.com/Montclair-Metaphysical-Healing-Group/

Psychic and Mediumship Development Group of NJ
http://www.meetup.com/Psychic-Spiritualist-Mediumship-Development-Trance-NJ-NYC/

NY Area-

NYC Metaphysical group
http://www.meetup.com/nycpsychics/

NYC Illuminated Nursing: Energy healing Circle
http://www.meetup.com/Illuminated-Nursing-Energy-Healing-Circle/