The original series is great, just skip the fillers. Can't give an opinion on Shippudden as I was just a manga reader by then and couldn't be bothered to keep watching the slow anime pace. I'd imagine that is going to be the case for it, though. A lot of the shounen jump series get really slow to avoid doing filler towards the middle/end and become kinda painful to get through. I love One Piece but that's why I stopped watching that one, same with Naruto.
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