This year's event to run from Saturday, December 5 to Sunday, December 6.
Leaked document points to major new features in next firmware update.
Promises more gameplay variation and richer visuals than the original 2014 PC release.
Figure was achieved prior to the PS Plus Edition launch.
Includes an artbook, SteelBook and stickers.
PS4 sales outstripping Xbox One month after month, Sony claims.
Full-year projections raised to 16.5m.
Four PS4 games included in a bumper month.
Lots of PS4 games up for grabs at reduced prices.
US and European release being considered, but Square isn't making any promises.