Here are the latest links to Oracle CEP on the Oracle website (OTN). I've heard from a few folks that these are hard to find. As of this writing, the latest release of Oracle CEP is 11.1.3. You may also see this release referred to as 11.1.1.3 and 11.1.1.3.0. An overview of the new features in 11.1.3 can be found here.

The product download page:

http://www.oracle.com/technology/software/products/middleware/htdocs/fmw_11_download.html

The product documentation:

http://download.oracle.com/docs/cd/E14571_01/soa.htm#ocep

Don't be alarmed that the release number in the documentation is 11.1.1. This is the documentation for the 11.1.3 release.

The user forum:

http://forums.oracle.com/forums/forum.jspa?forumID=820


The Oracle CEP samples page (contains useful code samples):

http://www.oracle.com/technology/sample_code/products/event-driven-architecture/index.html

The Oracle CEP product page (maintained by our product manager):

http://www.oracle.com/technology/products/event-driven-architecture/complex-event-processing.html

The event driven architecture page (Oracle CEP is bundled in the EDA Suite product):

http://www.oracle.com/technology/products/event-driven-architecture/index.html