Cable: Soldier X
will be OHC right?
I'd say atleast
UXM vol 4 and
X-Men: Crossroads Omnibus (with: UXM #199-209 + Ann 9-10, NM 35-45 + Ann 2 & Special Edition, X-Factor #1-8 + Ann 1, Marvel Fanfare #33, Alpha Flight #33-34, X-Men: Heroes for Hope, Firestar #1-4, Fantastic Four #286, Avengers #263)
and
Mutant Massacre Omnibus is missing: New Mutants #47-54 & Ann 3, Mephisto vs. X-Factor, Mephisto vs X-Men, Spiderman and Wolverine #1, Marvel Fanfare #38 (Rogue/Dazzler backup), X-Men vs Fantastic Four #1-4, X-Men vs Avengers #1-4, Fallen Angels #1-8, and Marvel Super-Heroes #1 (Magik story))
to fill the gap!