Good: clean place and easy check-in in a non-touristy neighborhood. Cute fridge. Hot water and water pressure were good.
Bad: wifi was very unreliable. Unable to load web pages or even use G Maps many times.
Things to consider: Not many outlets by the bed/places to charge devices. Location isn't bad but you will likely need to use the metro/tram unless you are comfortable walking 35-40+ minutes. If the bulk of what you want to do is in Neubau, the location is convenient. No washer, dryer, shampoo, body wash/soap which would make a longer term stay difficult. Kitchen is also pretty spartan.