The European Research Advisory Board (EURAB)
has published its Report and Recommendations on "Scientific Publication: policy on open access" (December 2006). Here's the press release. Professor Jane Grimson (School of Computer Science and Statistics and former Vice-Provost, Trinity College Dublin) chaired the EURAB Working Group responsible for the report.
Comments on EURAB's recommendations and proposed mandate by advocates of Open Access Peter Suber and Steve Harnad have been very positive.
Read the EURAB recommendations in full here.