I stayed in a club room, which was a great size. It also allowed access to the club lounge. There was a good breakfast selection there. Also I could use the lounge throughout the day, getting hot or cold drinks and there was always a few snacks to go with it. In the evening there was a good selection of alcohol available and other hot and cold snacks, which were really good.
The cost of the rooms are quite expensive, but comparable to other similar hotels. The value is quite good when you factor in the club lounge facilities which made it more reasonable. As club lounges go, I thought it was very good.
What I really liked about the hotel was its location. Some have said that it's not really suitable for tourists, I disagree. As Seoul is such a big city, you are never going to be next door to all the tourist spots. Also the subway station is a short walk away. This can get you to anywhere in Seoul quite quickly. The coex mall is attached to the hotel, which has some great shopping and eating places. Would definitely use this hotel again.