I'd even bump this up to 3.5 stars.
Look, it's not mind-blowing food but if you are with a large group (and so MANY Of us are in vegas in a large group) there's something to satisfy everyone and as long as you hang in the small plates/pasta/pizza categories, it can actually be pretty cheap, compared to other Vegas places.
Pictures and more stuff here: http://www.eattalk.net/2013/02/postcard-from-las-vegas.html#.USfVZOgRQtU