Ahmet Ozturk, one of OSSEC developers, spoke about OSSEC (Capabilities, Architecture and plans) at the 5th Linux and Free Software Festival (Ankara / Turkey). His presentation in English is available bellow:
http://www.ossec.net/en/manual.html#othershttp://www.ossec.net/ossec-docs/ossec-hids_oahmet_eng.pdf
Good work Ahmet!