Different ADMIN interface per-ROLE

I Want de users be able to register and write post. I would like the first page they see is “New post”. I don′t want them confused with stranges links like “Dashoard” they don′t need, I want they just write a post in a Category.

The default role is “Author”, the interface is other but still apearing panels like “Dashboard” and others things i think could confuse.

There is a way for changing the admin interface per-user or per-role?

Thanks!
And sorry for my english, it′s a little bad ??