A Singaporean In Australia

Carbuddy - For price guide and comparison
Redbook - Car price and value
Carsales - Large(st?) site of car on sale, new or used.
Drive - Another possible site to search
Gumtree - Another possible source. I found my shortlists here, in fact.
Carsurvey - Decent site for reviews from owners of a large list of models.
RAC driving centre - I may be taking MR/HR lessons here.
Licensing centre - Registering, licensing and stuff.
REVS Licensed Motor Vehicle/Motorcycle Search - to check history of car you are buying
Fuel Watch - Fuel prices in Australia fluctuates everyday, varies from area to area, kiosk to kiosk even for same brands. Important site.