Speaking about Ecore In Colors, If you're interested in here is a small flash demo showing the kind of interactions you can specify in a Viewpoint Specification Model and the resulting modeler you get :
![](https://4.bp.blogspot.com/_u5tMWln_Ie8/S4-1fNC2YxI/AAAAAAAAAQY/zmAJo1L9Qyg/s400/ecoreincolorsplay.png)
By the way, Freddy convinced me to join the Twitter community (at last! ) its going on here.