- folder based view - private, shared, or public; even share the contents of a folder via a webpage with the Box Widget.
- edit your office documents via box's integration with Zoho
- Preview documents you don't want to - or can't - edit, using Scribd's iPaper.
- Publish documents to the world via Scribd
But the more I look at it, the more I'm tending to think that our students will prefer the simplicity and familiarity of the SkyDrive interface over the bells and whistles of Box.net. And since we're talking about e-portfolios as part of PLEs, user choice is a major factor, and uptake and maintenance becomes almost as important as features...