If these don't work for you, maybe try the taxonomy access modules (tac_lite, etc.), as they may have the features you want, although it will require categorizing users in some ways.
Luke
On Thu, 11 Mar 2010, Aldo Martinez Selleras wrote:
this two modules are very good, but what about if in the same role, there si more users like i want to work with some content type ??
i need something for limit by user!