In a week, after my exams, the current design decisions about this library will be put up here. If anyone stumbles on here in the meantime, feel free to put up some bullet points.

Past discussion can be found (starting) here:
​http://lists.boost.org/Archives/boost/2007/04/120191.php
​http://lists.boost.org/Archives/boost/2007/04/119565.php