All business, no frills
I stayed here for a week long convention. As such, it was very convenient, as it is essentially co-located with the convention center.
It is in a slightly scruffy part of town, and arriving there at 1am to find the doors locked was not the most welcoming start to the stay (the staff soon opened the doors after I waved at them). It is located next to a bus terminal and over a carpark (with the entrance right next to the carpark ramp), so it won;t win any beauty prizes.
The rooms are huge, but spartan. Everything you need (bed, towels, desk) and nothing you don't. No frills at all whatsoever. The air conditioner was a little loud in operation.
The service matched the ambiance - functional, but nothing special or personalized.
On the plus side, it is right next to Reading Terminal Markets, which is one of the best places to eat in Philly. If you want to go shopping, Burlington Coat Factory is nearby, but more options are further away.