Sunny's place is located near Ximen, NTU and Taipei Mainstation (~5 min walk to any of these stations), which is really convenient (Being located near Ximen (and Ximending) is awesome)! You can get anywhere really quickly and almost never have to worry about getting lost.
Although the place itself is a little tucked away and a bit roundabout to get inside, the room itself is extremely clean and lovely. The bathroom is a standard Taiwan-style bathroom where you shower in the same area as the toilet (most places in Taiwan are like this). The bed is a little harder than usual but it didn't bother us.
The rather automated check-in and check-out system Sunny has is extremely convenient. We really enjoyed our stay and every bit of the place was exactly as described.