These hotels are brilliant. Great value, modern (almost trendy) and the rooms are small but excellent. I don't think you can beat the value. I love the TV screens with the fire place video which they play in the winter - it really works to warm-up the place.
I've stayed at this one a few times and like the bar area. You'll need a taxi to many of the sites of interest, but you're not a long walk from the U-Bahn (underground).
If you do visit - you must try the curry cheese toasted sandwich - it's worth visiting for!