Do you have Netflix? La Nouba, as well as many other Cirque shows are available on DVD through Netflix. Granted, it is not in the least bit the same than seeing it live, but if you have Netflix I would go with the MVMCP. Also, as a PP said, if you have kids that might not be able to sit still, MVMCP might be a better choice.
If you decide to go with La Nouba, the experience is deffinately different depending on where you sit. We once sat 8th row center-stage and it was fantastic. We were able to see what else was happening above the stage as well as feeling very close to the action that took place on stage. The second time we saw it we sat much farther back. It was also a fantastic experience. We were able to appreciate everything as a whole, which you cannot really do when you sit close. When sitting close you aren't really able to appreciate the stage and the sky at the same time, you sort of have to switch back and forth. We didn't feel that one kind of area was any better or worse than sitting in a different area.