The install comes with a pdf that lists some of the new playables, and those look, so far, like new models. I assume those versions also replace the old non-controllable versions.
688 SSN
Agosta SS
Alfa SSN
F100 FFG
Lada SSK
Maestrale FFG
Oscar 2 SSGN
SanLuis SS
Sauro SS
Toti SS
Type212A SS (Italia)
Type212A SS (Germania)
Ula SS
Type209 SS
Poseidon SS
Preveze SS
Typhoon SSBN
Udaloy DDG
Udaloy2 DDG
Victor3 SSN
Tu-142 Bear F
Ka-27 Helix
The new betas there might have more (looks like maybe more weapons). I just don't know italian.
