First off I have to admit that my rating is pretty biased because I have somewhat of a sentimental attachment to this hotel. I stayed here for a year and a half (gasp!) for business during a project in Pittsburgh. It's not a glamorous hotel, but it has what you need for a comfortable stay.
Standard Hampton amenities: complimentary breakfast, coffee & tea available 24 hrs in the lobby, free wireless internet, hotel shuttle, etc.
Special extras: free passes to a full local gym just up the block, a small "business" office with access to a phone, a computer, and a printer, the location is very convenient, and the staff (namely the hotel managers) who work there are just plain great people.
I gave 4 stars and not 5 because it is still a Hampton Inn, and I wouldn't give less because they put a lot into good service.
If you need to stay there, ask for Jeff (the General Manager) and tell him that Angela sent you. :)