Immigration SA has recently updated its State Nominated Occupation List (SNOL) 2012-13 - On-list Occupations to include Enrolled Nurse ANZSCO Code 411411.
Additional Requirements for state sponsorship will include IELTS 7.0 in each band.
Applicants for SA state sponsorship will have to meet the State Sponsorship requirements as they apply to their situation.
This is a link to Immigration SA:
https://www.migration.sa.gov.au/node/104
While this is exciting news for Enrolled Nurses, at the time of writing this post, 23 January 2013, it is not possible to get the skills assessment done by the relevant skills assessing authority ANMAC.
Skills Assessments from mid-2013 (or later) by ANMAC
The ANMAC website says that they are currently working on the skills assessment criteria for enrolled nurses and that they will start assessments around mid-2013. This is the link for the Skills Assessing body: