That was my third time going and it was just as great as the other two visits. They have some of the best tacos and they're all under $3! Plus, they have a 50% of deal on Scoutmob right now which made our bill super cheap :)
It's a laid back environment where you order at the counter, but also get a waiter to check on you during your meal. They also have TV's in the dining area...great place to watch a sporting event!
Another thing I love about Perla Taqueria -- they have a drive thru (those are rare in ATL) and they have $1 taco days, beautiful! <3
Other places to eat in ATL: