Its official now: OpenERP version 7 has been released!
OpenERP 7.0 v/s 6.1 : Usability Metrics
Field-level access control in OpenERP 7.0
OpenERP web – How to add custom functionalities to the sidebar !
Integrate your OpenERP with Google docs
How to know OpenERP Server Version?
Learn OpenERP, How-to of OpenERP, Everything about OpenERP !