John and Carol's unit is great. We stayed 4 days and enjoyed our stay, It is quiet and very modern inside. They had many special, unexpected touches including cold waters and a 6 pack of cold ones in the fridge and full bars of soap in the bathrooms. The place was just as advertised.
The location is great too, right across the street from a coffee shop/restaurant/bar and short walks to South Congress and South 1st Street restaurants, bars and shops.
A great option for your Austin visit.