To put in my two cents:
I've always thought Wicked was a bit overrated, myself. I feel about Wicked the way a lot of people feel about Rent (which is a show I love): I *like* it, but I don't love it, and I'm confused by the people who do. I love hearing Kristin Chenoweth sing any part, and I really like Idina too (in certain roles, anyway), so I listen to the recording from time to time, but about half of the songs are good (No Good Deed and What Is This Feeling being particularly awesome standouts) and about half are pretty blah (Wonderful is the most annoying song ever).
That said, check Kerry Ellis' version of Defying Gravity for something jaw-dropping:
I was introduced to Kerry Ellis as Svetlana in the concert recording of Chess and she blew me away. She's...damn good.
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Recorded B8 Mafia record: 13/24