There is currently a vigorous discussion thread in the American Scientist Forum on whether Nature's new embargo policy (allowing authors to post the refereed and formatted postprint to their own web site but not to institutional or disciplinary archives) is good enough or not good enough.
Posted by
Peter Suber at 1/10/2003 11:11:00 AM.
The open access movement:
Putting peer-reviewed scientific and scholarly literature
on the internet. Making it available free of charge and
free of most copyright and licensing restrictions.
Removing the barriers to serious research.