Yep, it's still impossible to finish. I've seen a million projects like this fall, because of internal differing mindsets of teams, because of time, because of the lack of effort, etc.
I'm not saying you should give up. I just don't believe into this project the slightest.
EDit: Look let's put this in context. The last conversion of this magnitude I saw getting finished was this: http://www.thief2x.com/ and it took almost 5 years.