I´ve stayed at the Mitre form 4th until 6th May and I can say my room (17b) was horrible. Very noisy because of the generator from outside my window (it was runnig all day and night with some little breaks now and then!) and awkward smell of cooking fat from the kitchen window opposite my room. Everything was very temporary. The bathroom was not well cleaned and the towels were a little dirty too. The reception staff was unfriendly and not very helpful although the manager seemed very nice. My friend stayed in room 3 and was lucky enough to get a spacious and quiet room. I spent 104 GBP for 2 nights which I´ll going to spend in another hotel the next time I´m in Manchester. Apart from all the negative things I have to say the hotel is very well situated to the city center and the Men Arena. The cathedral in front of the hotel gives you a nice view. So, I recommend if you´re booking the Mitre try to move into a room situated on the lower area and avoid room 17b!!!
I´ve put some pictures on here so you can have a look at the room and the view outside my window ;-)