We used this apartment as our base for a quick three-day stay in Buenos Aires. The location is very convenient - just two blocks away from a money-changing office (finding the blue-dollar rate in Argentina is key right now - it's twice the official government rate). The apartment is on the third floor of a nice building with a locking front lobby, and has a great view of the botanical gardens across the street.
The bedrooms are located in the back of the apartment, in the interior of the building, so we did not hear any traffic noise at night. Big windows at the front of the apartment let in plenty of light.
There are many fine restaurants, little markets for quick purchases, and a major supermarket, all within a few blocks of the apartment.