I agree with Douglas--this is one of the best McDonald's in Las Vegas. I stopped here for a quick ice cream last night and I was immediately impressed with the newness and nice design of the place.
The staff took my order quickly, and I was on my way to a table very quickly. The tables were clean and the restaurant was clean. I was really impressed!
They have free wifi which is a nice bonus. If I need at break some day and I'm in the area, I'll definitely stop again.