One thing we discover when we began compiling the ballots for the best X-Men stories of all time, is that there is way less consensus regarding which are the best X-Men arcs aside from the perennial top 2 (which you'll have to continue reading to find out). Though there were factions that agreed quite heavily on certain things, and that is their respective love of the John Byrne and Chris Claremont era, the Grant Morrison era and the Joss Whedon era.
As for the methodology of this list; it was compiled very similarly to that of the aforementioned Spider-Man list, in that we scoured the web and its numerous lists regarding this topic and add them all together, giving a weighted vote to each arc mentioned according to the users' ranking as well as giving out points for frequency of appearances. We also kept out the Ultimate line, and stuck to the standard 616 universe.
Now, on to the list of the best X-Men Stories of All Time!