Great show at the Venetian. The Yelp/Facebook discount can save you some cash that you could use on some of their expensive drinks! The show lasts about an hour and a half and is non-stop. The accompanying band and variety of skits is awesome. There is a lot of audience participation and getting up close to these guys is kinda creepy. The Blue Man Group's percussion skills is very admirable.
I highly recommend it as a great night out in Vegas - loud music, strobe lights, and great comic routines. The only drawback was that near the end of the show, rolls of paper come down from the balcony to cover the crowd and it starts at the back of the auditorium and you are supposed to push it up towards the stage. The sheer volume of paper that came down caused our expensive drinks to fall out of the cupholders. If you attend and the paper starts falling, hold on to your drink.