you should know about :
elruisenor.com a D.F. company with locations in Los Angeles and NOW, tada...you don't have to go to TJ to get mole or chiles or spices or dulces or who knows what else. They have a huge inventory or everything you need to make great Mexican food and the staff is knowledgeable and helpful. Speak with Ernesto or Jesus.
They are located in Chula Vista (still SD, right?) on the NW corner of Main and Industrial Sts. Phone: 619/424-5011.