1) Book limited view seats (cheapest available), in Section 203 which is the center of theater, balcony level. Make sure you book seats that are either Row Q or Row R. There is a hand rail bar that is visible in lowest portion of the stage, but it is not noticeable at these row heights and will not interfere with your enjoyment of the show. If you select a limited view seat in the lower Rows O or P, the bar will be raised in your line of sight, and could potentially be an annoyance.
2) Sections 202 and 204 are also probably fine when it comes to limited view seats -- I can't vouch for them specifically, but I would also stick with Row Q and above in these sections as well.
3) They are also currently running a special of 25% off the late show. Combine this with the limited view pricing, and you essentially are getting close to a 50% reduction on your tickets.
4) If you are flying in from the East Coast (3 hour difference), do yourself a big favor and DO NOT book the late show on the same day that you arrive. Otherwise, you'd wind up watching this remarkable show somewhere between 1 am and 3 am, your time. (Yes, I made this tactical error - and that was on top of having gotten up at 4 am that day in order to catch my Vegas flight. Ooops!)

Just came back and had a great trip. After much research we chose to see "O", and it was just beyond what I imagined. I had seen some clips on youtube, but there's no way that this gives you a sense of the show. The youtube clips looked boring, but being there in the midst of it, everything was just incredible. I couldn't stop saying "Wow", over and over again. It was just creative genius and beauty. It's worth the money. We had seats close enough in the orchestra to see the facial expressions, and far enough back to not get splashed. It was worth the money to be that close.

We saw O last week at the late showing. We had fantastic seats, second section, first row. I don't recommend the bottom section, it'd be like sitting at the front row of a movie theater. We've seen Mystere before, but after seeing O, we have a new favorite Cirque show. The stunts and performances were amazing. I highly recommend seeing this show.

I would not call Cirque du Soleil's O a show but rather, an experience. A truly magnificent one at that. I got tickets 25% off on the Bellagio site and managed to get 2 tickets near the middle in the third row for $128 each! On a budget, I wasn't planning on attending this show, but friends and relatives were telling me that it was a must see. So, since I was able to get such great tickets at that price, I figured why not.

I am extremely happy that I chose to go. It was an unbelievable experience. The show is so dark, abstract, and beautiful. There are so many animalistic sights and scenes that make you feel as if you're watching something almost alien. The music is magnificent, the lighting is perfect, costumes amazing, everything was just great. And you truly leave the show feeling mesmerized by the sheer beauty and excellence of what you have just witnessed.

I'm not going to try and describe the show or any of the scenes, because words cannot do it justice. It must be viewed first hand to understand how amazing this show is. All I can say is that the huge pool of water changes with platforms rising up and down, plenty of synchronized swimming and dives and tricks. Different scenes all have such different feelings with characters moving all throughout the stage, be it in front of the pool, in the pool, platforms on the pool, behind the pool or through the air. Sometimes you just don't know what to look at and just stare in awe of it all. If I have one show to suggest anyone to see in Vegas, it is Cirque du Soleil's O.