I think it might be a while, since they seem to be very busy with World War I. I don't really know, though. I suggest you read the AAR's by Alexander Seil, which imo are very good and give a little bit of insight into how the game works. You can find them
here and
here.
If you think it looks interesting, I suggest you just buy it, since it isn't that expensive anyway. Just be warned that it can be a bit overwhelming when you first start playing, since it can be hard to figure out exactly what you're supposed to be doing. If you give it a chance, though, and take your time to read the manual and read some of the posts on this board, it's actually a very, very good game.
Edit: if you decide to buy it, be sure to get the download version, since the latest patch can only be applied to that version.