Ostelin: that's $0.1069 per 1000IU dose - cheaper than capsules (http://www.ozbargain.com.au/node/69263)
Citracal: the only brand besides Ostelin suggested by governments and hospitals for Vitamin D (http://www.ozbargain.com.au/node/69263#comment-857242)
Bought vitamin D 250 capsules Swisse brand for ~$10 yesterday in Woolies Belconnen.