I've stayed at Tiffany's place on two occasions and I'm already looking forward to next year's visit! The location is in the perfect location, just about a 15 minute drive from any the convention center and 20 minutes from the airport.
You could practically throw a rock and hit an amazing place to eat so your options for great food and drink are plenty! If you've never been to Portland and are looking for a great, low-key place to stay and explore, Tiffany's spot is the place.