Been looking for something like this for a while

Good, intuitive, simple, efficient interface. Even though there are a ton of outliner apps, this is the one Ive been looking for. Its almost perfect, but I do have a wishlist:
-Auto sync on startup / before shutdown
-Ability to assign tags to single nodes
-Ability to sync same file to both dropbox and outliner online
AND/OR
-Ability to set dropbox as default destination rather than having to change at each new outline.

And most of all
-A PC companion application, or a better solution to edit on pc (Recommended third-party software "bonsai" almost does it, if only it had native OPML support rather than that import/export business. Or at least the ability to set a keyboard shortcut to "export as opml" or set it as default format to "save as" to. Perhaps Carbonfin has enough weight to convince Bonsai to do a few tweaks?) Even as a standalone application Im sure a PC equivalent of omnioutliner would do very well. Online Outliner is good but there has to be a good way to work offline.

LiveOnBBC about Outliner, v3.0.1