If you like this person's taste, follow him or her!
See it if you want to hear some of Broadway's best numbers sung by an incredibly talented cast.
Don't see it if if a cavalcade of numbers without much of a book is not for you.
See it if you like a show with an original book, tuneful music and excellent performers.
Don't see it if it will bother you that the ending of the show becomes predictable by the end of act 1.