Metropolis is actually very pretty to look at, while not necessarily super heavy on plot. It's more of a reimagining of the ideas of Lang's Metropolis, rather than an "anime version". I certainly don't consider it a waste of time by any stretch of the imagination.
If you're looking for good anime (not counting Studio Ghibli stuff, because that's just a given), I'd recommend the work of Mamoru Oshii. His anime is terrific (not just Ghost In The Shell - which is to Blade Runner what the anime Metropolis is to Metropolis) - and his live-action work is even more outrageous. Watch his oeuvre in chronological order, if you can, and you'll appreciate him even more (I'll bet NA has a copy of The Red Spectacles in her collection).
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