We had a wonderful time. The apartment was fantastic, great location, really good to have some basics in (like sugar, coffee, milk... and a couple of beers and port - thank you Salome!)
The intro from Salome was great, lots of recommendations of restaurants and sights, we did try and tick off as many as we could!
The apartment was immaculate: nice comfy bed; modern and clean bathroom; tv and wifi and everything else was in perfect working order.
From the apartment to the main river area was about a 30-40 minute walk, easy to get around Porto (although rather more hills than I had imagined!) so take decent walking shoes, and you'll be fine.
We walked a lot, although the nearest supermarket is less than 100 metres away, many really nice cafes on the main shopping street just beyond that. Much to love. Thank you Salome!