Might be wrong but I thought that the UH60M's operating in AFG are not the full production model that was being touted to the ADF. I think that they are yet to field the fly-by-wire production model.
The ADF, by the sounds of it, should have stuck with Wessex (tried and proven in the ASW, Littoral (Falklands) roles), the S51 from the 1950's and the Sioux (plenty of parts and the supercharged version had fantastic H&H performance and easy to get fuel for at your local servo). What 'real' benefits could technology offer?