Restaurants--Porcao is a chain of chiaruscarios (all you can eat steak house, Brazillian style). There is another at the north end of Copa that has a sister restaurant for seafood. Expensive by Brazilian styles but a bargain for you. If you go to Porcao, I recommend the one in Ipanema.
There is a new Marriott--try that. Copa is more colorful, Ipanema is more upscale but more calm.