The Grand Garden Arena plays host to all major events held at the MGM in Las Vegas. The venue seats about 16,000 people and pretty much even the nose bleed seats have a good view of whatever attraction you might be there to see.
There isn't any annoying echoing from the sound system and seats are standard stadium style uncomfortable plastic seats. There is a decent amount of rest rooms and vendors located inside the arena along with a ton of shops and restaurants along the walk to get to the arena itself.
This was our third event here and other than the pain in the butt of using Ticketmaster I have no complaints.