We recently spent two nights at this hotel. We chose it as we were able to get a 5 star hotel for about a 3.5 star price. The room was big and comfortable and very clean. Some of the best beds I have slept on with comfortable pillows.
The biggest downside is that it is in District 5 which is far from any restaurants or other form of nightlife. There is an hourly shuttly, however, if you choose to do that, and plenty of taxis to take you around. I would have liked to have been a little closer to where there was an option of restaurants and a little closer to the big night market.
Service was good and breakfast was tasty, although the restaurant is very crowded. Not a particularly relaxing experience. We ordered twice from the restaurant for room service, however, and the prices were reasonable and the food excellent.
The only other downside is the very expensive internet (about $17/day). This was the only hotel in VN that charged us for internet during our 11 day stay.
Overall a good hotel though and it depends on what your interests are. If you are content being away from the action in the evening, then it is a good place to stay.