http://www.hsperson.com/
Check out Elaine Aron's "Comfort Zone" newsletter- here is an issue from May 2010
Elaine also writes two blogs: "Comfort Zone" , and a blog on Psychology Today
The most up-to-date information about HSP Gathering Retreats around the globe:
www.lifeworkshelp.com/hspgathering.htm
A communal blog, written by local HSPs, about mental health experiences and other topics: https://hsphaven.wordpress.com/