This is out now in it's beta form, though finding a decently populated game is pretty difficult:
http://marenostrumgame.com/
This is due out April 11, IIRC (features a player crewed mortar):
http://www.carpathiancrosses.com/
May or June on this one:
http://darkesthourgame.com/
Just in case you didn't know, now you do.
PD