I do wonder about MS's strategy this year, they don't really have many big game titles as of yet, and they'll lose a lot of PR opportunities with not being on the VR bandwagon, and with all the different competition its probably a good thing (perhaps they didnt want another BR and HD situation), but I feel Ms is going to have a bad year this year, and partly because attention is off their console because this years focus is on VR.
So I expect the gap to widen quite a bit this year. Be interesting to see what the big hitters are going to be this christmas, E3 is going to be very interesting.