I think it's really more of a 3.5 overall but I think the cons outweigh the pros.
Pros
NO wait - we came around 10:30am on Monday
With tip paid $36 which I think is pretty fair
Food seemed to be replenished often
Waitress checked on us several times and was fairly prompt in removing used dishes
Cons
The pasta dishes had a crust on them (the type that gathers once it's been sitting out too long)
The fried chicken was bland and soggy
The desserts looked beautiful but tasted pretty blah - the only one I enjoyed was the ice cream
The eggs Benedict had zero flavor
Having everything in separate dishes sounded like a good idea but it was difficult to carry
Lots of filler options - pasta, pizza, rice, bread
This was the only buffet we went to while in Vegas so I don't have anything else to compare to, but overall was a bit disappointed and if I'm ever in Vegas again I'm the Wicked Spoon won't be on the list