I hated the exterior green of the hotel so I expected to be underwhelmed, but my wife booked it for us because it was a good deal.
I was extremely pleased with this hotel. It was well designed to entertain you while you wait in the long lines to check in, and there are lots of elevators that only serve about 7 or so floors each so you can get to your room quickly. Once on your floor the wagon wheel design means that you don't have to walk a hundred miles and this design makes it very easy for you get where you need to down at the casino level.
There was a good food court and easy access to the monorail which makes it easy to avoid renting a car or catching a cab to get around town - this is a huge value which can't be understated.
We ate at Shibuya which was fantastic! Sure it was very expensive, but the quality matched the price (for Vegas) and the environment was WOW. Price was about $450 for 5 people, so bring a fat wallet.
We saw Ka and really enjoyed it - no complaints other than it was more than we paid for O which I thought was a better show. There also was a segment that was all video instead of people due to the accidental death of a member last year, so that was rather disappointing. Honestly I think they would have been better off just skipping that part rather than showing a video as I wouldn't have known I missed it and wouldn't have felt short changed. I understand why it wasn't real people and agree with their decision, but I'd say just fill the time doing something else less risky with real people and that would have been just as good. I think we paid about $350 for two people plus fees, but we had front and center seats on row P (which is is as close as I'd want to be for this show - don't get much closer)
The rooms were very modern, super clean (way better than Bellagio and as good as Four Seasons). Loved the room and the well thought out bathroom. There's also very convenient access to charge your gadgets so I'd call this the best hotel room I've enjoyed in Vegas.
We stayed on the 25th floor which had the downside of being behind the David Copperfield sign which meant there was this screen pattern which made it hard to enjoy the strip view that we paid extra for. Definitely ask to NOT be on these floors when you check in and all will be well.
The food court was good and the Casino was excellent. Cigar smokers will enjoy the Davidoff store as well.
Overall I'd highly recommend this hotel and I'd call it my favorite place I've stayed in Vegas.
I think I paid $110/night plus a crapload of fees.