They're back on sale again.
32GB US$15.52 (~AU$20.15)
64GB US$25.01 (~AU$32.46)
128GB US$42.10 (~AU$54.65)
256GB US$135.13 (~AU$175.42)
General r/w speed guide for this model;
32GB = 95/20MBs
64GB = 100/60MBs
128GB/256GB = 100/90MBs
Credit to Slickdeals.
Im seeing:32GB = US$9.9964GB = US$19.99128GB = US$36.99256GB = US$129.99Sorry didn't include shipping. You're right