Hi spatialguru,
The best thing to do is search Bugzilla (
http://pkp.sfu.ca/bugzilla) for entries that are marked as completed against the next release (for OCS, use 2.0.1). Most of the work since 2.0 was released has been back-ports from OJS, which are listed in bug #2883.
Regards,
Alec Smecher
Public Knowledge Project Team