We have released version 0.6.0 for the Activiti Eclipse BPMN 2.0 Designer. Note that it is not yet bullit-proof and we welcome any feedback you may have!
The installation of the Activiti Eclipse BPMN 2.0 Designer is very simple and contains the following steps:
Ron van Liempd - developer
Yvo Swillens - developer
0.6.1 release (january 1st):