Here is my attempt at FAQ for EvW.
EvW is a new standalone grand strategy game set in the Cold War era, where you can play a nation and control its economy, diplomacy, politics and military.
Game product page
Q: Which engine will EvW use?
A: The Clausewitz engine, so the same used by CK2 / EU3 / Vicky2 / HoI3 and EU: Rome
Q: Is this a mod of HoI3?
A: No. EvW is a standalone game.
Q: Who is developing this game?
A: The game is developed by BL-Logic in close collaboration with Paradox Development Studio.
Q: Who is on the developer’s list?
A: You can identify them by the special avatar they have.
Q: When will the game be released?
A: Commercial release uncertain. An open Beta will be released in March* 2014
* May be subject to change still
Q: Where are the developers based geographically?
A: We are a quite international set of people. More during the dev. introductions.
Q: Will the game support multiple CPU cores?
A: Other games have weekly or bi-weekly dev diaries. Why not EvW?
Q: The PR plan is done by PI, they know what they are doing.
A: Is it possible to load in HoI3 save game?
Q: Such port is not planned in the release version.
A: Will there be a Steam version? And a non-steam version?
Q: Yes. No.
A: Will there be multiplayer in the game?
Q: Look here. This is the official stance on the subject.