I don't recommend two of the pizzerías listed in that article.
The four pizzas we had at Gordo Chanta (it's in Villa Crespo, not Chacarita, btw) back in February, came to the table with lots of burned and very bitter spots that we could not ignore, it was just a mess having to peel off the burned spots. The couple we were with, a recent acquaintance, felt terrible because they had chosen the place based on the reviews they read on Google. They wanted to send them back, but we didn't want to have to wait another hour. We did have to ask the waiter to change the wine because it tasted like vinegar. The pizza dough tasted okay but the center of the pizza was thin, soft and soggy, no crust under all that cheese, at all. The place was very tiny.
My husband and I went to Hell's Pizza, in The Imprenta (near Maure and Migueletes, northern Las Cañitas area) about a month ago. They try to make pizza NYC-style, but not quite there. We ordered a "half" of two slices mozzarella & pepperoni and two slices mushroom, onion & bacon. The pepperoni looked weird and tasted more like salami and the dough was tasteless, very hard, and pale. Slow and inattentive service.