I stayed only one night at Augustin Hotel, on my way from north Germnay down to Italy.
The check-in and check-out were quick and simple. The room and the amenities were beyond my expectations. By far, the best hostel I've ever been to. Also to be fair, the most expensive one for a dorm room, however, I would say it was fair pricing for the quality.
The only small downside of my experience was that I asked for the availability of parking around the area and was advised to park in the hostel's parkade for amount of 12 Euro per night, only to find out there was plenty of street parking in front of the hostel and free overnight till the 9am in the next morning. It worked out perfectly for me, but as a host I would definately point out that option for my guests.
Highly recommended!