Helmet Geckos - Diplodactylus Galeatus are native
Get Rob Porters - Keeping Australian Geckos book 1st around 20-25 bucks gives all facets of husbandry, care, breeding etc for 15 of the commonly kept geckos or Danny Browns new series of Australian reptile books has one for Geckos and Pogopods (legless geckos) and then make your decision.