Next announcements: Today Sony A6400, on Jan 17 the Fuji 100-400mm GF and on Jan 24 the Olympus E-M1X

We have three announcements coming up:

Sony will announce a new A6400 today (more info at SonyAlphaRumors).
Fuji will announce the 100-400mm GF on January 17 (more info at Fujirumors).
Olympus will announce the E-M1X on January 24 (more info at 43rumors).
Panasonic is likely to announce the full S1-S1R specs the end of January too (more info at L-rumors).