Shadyside Inn exceeded my expectations in most ways. I received a free upgrade to a very large two bedroom balcony suite upon check-in. The room was clean (although I'm not sure I would have cooked in the kitchen without rewashing the dishes) and came with a living room, dining room, adjustable thermostat, etc. You also receive a cute welcome gift when you arrive (mostly junk food). Just be warned that these are converted apartments and not upscale, marble shower hotel rooms.
On the downside, the walls/floors seemed pretty thin. I could hear when my upstairs "neighbor" flushed the toilet in the night. And I personally prefer when the hotel concierge is able to call a car service for you (there's only a local hotel shuttle).
Note: "Shadyside" sounds sketchy but is actually quite cute and felt safe. It was like the Park Slope of Pittsburgh. There's a street of shops within walking distance and some restaurants with good happy hours.