Over at oo.com.au, they currently have some good deals on blu-ray boxsets.

Firefly – $59.95 ($66.98 at JB HiFi Online)
Heroes Season 1 – $79.95 ($95.99 at JB HiFi Online)
Heroes Season 2 – $79.95 ($95.99 at JB HiFi Online)
Heroes Season 1 & 2 – $149.95 ($171.99 at JB HiFi Online)

They also have some blu-ray movies at various prices including Terminator 2 priced at $29.95

Click here to see the full list of titles available and the ones mentioned above.