Looking for good Mexican Grocery store!

I'm looking for a good Mexican Grocery store, specifically one that carries Tapatio salsa! Any good tips?

Try Don Paco Lopez (sp?) on Fourth Avenue--in the 40s or 50s, I can't recall....It's a friendly little grocery with a lunch counter attached. Great huitlacoche quesadillas and the like, as I remember (haven't been there in a few months). Not sure if it carries the product you're looking for, but it's a start.

Don Paco Lopez is at 4th Ave. and 47th St.

I'll try it! Thank you!