No, because the developer felt insulted by the Ubuntu developers after some comments at a UDS, and after the GNOME Developer rejected his patches (as they always do), so he stopped development of it.
Nautilus Elementary is only for Nautilus 2.xx and probably won't be for Nautilus 3.xx but Elementary is working on a brand new file-browser called Marlin.
according to ubuntuupdates it isn't updated for oneiric but that doesn't mean it won't work so just try the instructions on that website and post back with results
No, because the developer felt insulted by the Ubuntu developers after some comments at a UDS, and after the GNOME Developer rejected his patches (as they always do), so he stopped development of it.
You can use Marlin instead.
Nautilus Elementary is only for Nautilus 2.xx and probably won't be for Nautilus 3.xx but Elementary is working on a brand new file-browser called Marlin.
More information here: https://launchpad.net/marlin
according to ubuntuupdates it isn't updated for oneiric but that doesn't mean it won't work so just try the instructions on that website and post back with results