Congratulations to the team who convinced so many users to give AP a try. Purchased immediately my own copy for windows after first viewing all the demo videos.
What I like is the bunch of ideas which improve workflow so much compared to the most referenced PS product. Especially the multiple "merge file" operations are convincing (HDR,stacking, etc.).
As there are tons of database and picture file administration tools it would be a nice "roundup" when the workflow:
File viewer-->AP-->Merge to HDR or other would be supported by a functionality like "collect all open files to a merge list" and select from there.
But in general I think it is a good procedure to not try to copy too much functionality from existing software products because the good ideas will get lost.