Well, I have to admit, this image alone is probably enough for me to gamble a tenner on the trade due December:
Especially as Marvel didn't have much to do with the character post-Second Coming. It could be argued that Cable's death in that story, defending Hope from Bastion, which enables her to go on to defeat him and restart the mutant gene was a pretty good exit.
Now, as to the X-books generally, I do wonder where they can go with those, short of a total rewrite or perhaps write-off. Had a look at the plot summary of X-Men: Prime and it looks like they've restored the one big edge that the characters needed - secret base. Revealing Xavier as a mutant was a great idea when Morrison, it opened the doors to some great stories, but those stories in turn also demonstrated why the secrecy was needed in the first place so, at some point, it had to be restored, because without it the X-Men are screwed.
The other point for Marvel to avoid is the extinction angle - Decimation was one of the crudest solutions to the notion of too many mutants, but it did set up a strong run that culminated in Second Coming. Deciding to try and do the angle again was a stupid idea. It was great once, it doesn't follow that it would be again. If anything second time around rarely has the charm or impact of first.
Finally, the books, for the last few years, have tilted a bit too much in favour of Magnus' viewpoint, which for all its accuracy in terms of diagnosis - which is why it is has a fair amount of compelling justification to it - is still way off in terms of being a solution. Maybe with the levelling of the field, they can demonstrate why Xavier's dream has worth.