Awesome page, but what the hell, no pork is a hard constraint, lots of awesome pork tacos (cochinta, carnitas, suadero, chicharron...).

One subtlety about Mexican tacos that is lost in other countries is that there are different taco types for different times of the day. Lamb barbacoa tacos (not to be confused with Jalisco-style beef barbacoa), pork carnitas and chicharon are definitely morning/lunch, whereas pastor and suadero tacos are more an evening taco. Northern style beef tacos, and Yucatan-style cochinita are more for lunch (Mexican lunch is the main meal, often around 2-3pm)