Unfortunately we cannot give you an estimate yet. It depends on how much of the planned features go into the first public beta. As you may noticed we just released a new FTP library which SmartFTP v2.0/pro will be using for all FTP operations. This part is completed. The Remote and Local Browsers from which I posted a few screenshots recently is completed as well.
The Favorites and Global Settings still need some work as we plan to simplify the whole Favorites/Global settings management internally and for the end-user.
The Global Queue is the major part which is missing right now.
I hope this gave you a brief overview about the status. As always we prefer to release quality public betas rather than an incomplete piece of software
