Dum Dum Dugan wrote:
 X-Men By Claremont and Lee Omnibus Vol. 2 HC will be 832 instead of 880 pages, with no word on actual content changes.

Thanks for doing these updates.
FYI, Jeph confirmed on the relevant thread that this Omnibus will have no content changes (the page count was just a place-holder).

Mike Hansen, The Geekiary & All Day Comics