Yes but requires few more steps. http://download.autodesk.com/global/docs/maya2012/en_us/index.html?url=files/Viewing_the_scene_Show_an_isolated_subset_of_objects_or_components_in_a_panel.htm,topicNumber=d28e15945 Yes. Also you can add hotkeys to custom made shelf scripts, just like in blender. In my opinion you will gain…