We had a great stay at Nuno's flat. It is large, very clean, quiet and has everything you need. It is in a great neighbourhood walking distance to the waterfront restaurants and transit. There is a grocery store 50 metres from the front door and many restaurants within a 10 minute walk of the flat.
Nuno responds within minutes to any emails, we never met him but we did meet Bernardo who as expected was full of great information about Lisbon, we wish we could have stayed longer.