Our VIP South rim tour was worth every penny! Driver and guide Eli was fantastic (what a pleasant voice! You should definately start doing voice overs for nature programs!) and it was just the right amount of time at the Hoover dam, Grand Canyon and rest stops.
We were also extremely happy with our decision to do the VIP-option, as it was only three stops including ours for pick up as Vegas hotels, with seven of us tourists in total.