Free journal-ranking tool enters citation market is mentioned in Nature:
http://www.nature.com/news/2008/080102/full/451006a.html
The journal-ranking tool itself is open-access:
http://www.scimagojr.com/index.php
Bentham Publishers recently launched over 200 peer-reviewed open access journals (i.e., mainly in the Sciences).
Bentham Open Access:
http://www.bentham.org/open/
ACM Transactions on Multimedia Computing, Communications, and Applications (TOMCCAP) has debuted in the ACM Digital Library. This is one of eight new titles that ACM will be debuting this year.