I scraped the E+ website before it disappeared. Here are the dealers they listed in southern California at the time:

Hollywood Electrics

Eco Bike
4193 Carpenteria Ave. #3
Carpenteria, CA 93013
805-576-7633
www.ecobike-usa.com

Electric Cyclery
900 North Coast Highway
Laguna Beach, CA 92651
949-715-2345
www.electriccyclery.com

Velolectric Ebikes
963 Industrial Road, Suite H
San Carlos, CA 94070
650-591-8356
www.velolectric.com

MyBikeCommute.net
4313 La Jolla Village Drive, Suite K1
San Diego, CA 92122
838-764-9786
www.mybikecommute.net

San Luis Rides
778 Marsh St.
San Luis Obispo, CA 93401
805-548-8881
www.sanluisrides.com