Though I live in Chapel Hill, I work in Research Triangle Park. I ran across Tossed today and they have a gluten free menu with a couple of salads.
You can view the menu here:
http://www.tossed.com/wp-content/themes/paperstreet/files/Tossed_Gluten_Free_Menu.pdf
Tossed is located at:
McCrimmon Corners Shopping Center
4117 Davis Drive
Morrisville, NC 27560
I tried the Chopped Greek Salad. Very good! I will defintely be going again.