I personally thought Skyward Sword to be a majestic experience. Some of its qualities felt quite inconveniencing, such as Fi's dialogue as an example, but these are trivialities swept away by a myriad of positives. For one thing, the puzzles are very engaging, even though some might be attributed so simple that they weren't worth the effort. Motion controls themselves have opened up a whole new field of possibility, and Skyward Sword did an excellent job utilizing them for the first full "adventure" title that runs on them. Just as the puzzles were good, so were the enemies. It took me awhile on some to come up with how to expose their weak spots, but that's easy to overcome.
Is it worth playing? Absolutely. I'd refer it to anyone who loves fun gameplay and a wonderful storyline (for the most part).