[Wynton]

First of all, it all depends on the particular production. It's kind of silly to compare a third-time revival of Guys and Dolls with the first-time production of Cats, or anything else.

Just off the top of my head, I'd include the following in my list of top-notch productions I've seen on Broaday (either in the original or revival form):

Three Penny Opera
Fiddler on the Roof
Company
Evita
Lez Miz
The Wiz
The Music Man
Hairspray
A Chorus Line
Kiss of the Spider Woman
Company
Sweeney Todd
Guys and Dolls

If I were to be asked which musical I consider inherently the best, I'd probably pick West Side Story, even though I've never seen a really good version on the stage.

As for Wicked, my daughter loved it, as do many kids. I thought it was pretty mediocre.