I stayed there for 5 nights. First of all, location is perfect - near to business centers and to the Puerto Madero (just 5 minutes walk).
Reception desk is very helpful - you can change the currency (not he best rate, but you are sure that no fake) Argentina has issues with fake money
The price is normal to its level. Staff is plolite (it was funny to me that they were opening entrance door for mee every time :)
Room service is good and with sense of humor)) It was pleasant to find sweets from them on a bed)
A small selection of dishes on breakfast, this is minus. Only omlet and some strange and fat sosiges.