Danhostel Copenhagen City - anyway stayed here?

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I finally heard back from Danhostel Copenhagen City, a family hostel very close to Tivoli - http://danhostelcopenhagencity.dk/cphhostelscom/

We already have Zleep Astoria hotel booked (which has very mixed reviews) but would consider canceling and booking Danhostel. I have never stayed nor considered a hostel before but with the prices in Copenhagen so high for a family of 7 (or 8, may be bringing 8th person), we are considering it. It is half the cost of the hotel. It is like big dorm room for 8 people and does have a private bath. There is no AC but none of the places I priced has AC.

Any stayed here? What was it like?