One of our sources reported that the Polish WoT tech tree will be implemented in 2016.
My opinion: it will be like the the equivalent of the Chinese tree or be like the Soviet one in WoWS (with some luck)… It seems too early to implement something like this, but there is a lot of info about the low tier tanks.
Anyway, have some tech tree concepts:
-less historical tree:
As tier X the Czolg Pancernik is the most probable candidate (designed by Stanislaw Lem), since it got featured by Yuri Pasholok, the official WG historian: