Every time we go to Rio,we have at least a meal there because we like the food and the price.
The buffet of entrees is very rich and includes very different kind of salads, typical Brasilian dishes like moqueca de camarao ( sort of shrimps soup), pasteis ( sort of fried bread stuffers with cheese or meet or shrimps, several kind of cheese and also sushi and sashimi.
The main course is represented by the churrasco, that you can eat with no limits, and includes some very good cuts of meet ( picanha, angus beef,,etc) and others mais simple like checken, grill ed ham, etc. It only depends on how much you want to eat!
We do not thing it is an expensive restaurant, given that you can eat good quality of foods until you are full!
We were there last September and in three people we spent a total amount of approximately € 70. (RS$ 170) and we had, in addition to the food from the buffet and the churrasco,several side orders ( chips, farofa, aipim fried, etc) the dessert ( very good!) and several lighet drinks.
The location of the Churrascaria is very convenient, it's just a few block from the beach and in the heart of Ipanema