It's O by Cirque du Soleil, and as I imagined, it was as amazing/mesmerizing as I expected! ;) We purchasd a ticket around ~$190 each and the seat was actually quite good. We got middle seats and right on the middle balcony and could see pretty clearly the performers/details on the stage. Actually, even if the seats were a little in the back, I'd say it'd still be quite good anyways!
Overall, the show was quite amazing. I love the staging of it that keeps transforming from land to a pool of water....and I love the performances that incorporated both water and fire elements. There wasn't really much of a story/complicated per se, but the performance itself was quite good and doesn't require too much thinking as you watch it.
Overall, good show and I'd do it again next time I'm on holidays/in Las Vegas...maybe will try different Cirque du Soleil! :)