Morrison's New Xmen is still my all time favorite run in comics. I quit comics in the 90s for nearly a decade when something made me go to a comic shop and pick up a New Xmen issue in 2002 or so. As you said - it was so new, original, and fresh - my love for comics was rekindled from that run. And the possibilities of the medium were blown wide open.
20 years later and I now have a bookshelf filled library room of graphics novels - and its all because of that Morrison NXM run.