Some of the Sunoco stations sell 110 unleaded in the area. I bought some when I had my race tune setup on the dyno. At the time (March) it was selling for $7.89 per gallon...
I stand corrected. The Sunoco I've been buying is the 100 unleaded. 110 leaded is available at some of the local Gate stations.
Here's a link where you can search for Sunoco stations in your area that sell the 100 unleaded:
Overview - Sunoco 260 GT100 Locations
:beer: