As part of the Amazon Cyber Monday Deals, the class 10 Sandisk 32 gb micro sd card has received a large discount. Much better than the Aldi class 4 deal of $25.
For $3 extra shipping, get it with the Sansa Clip Zip which has been lowered to $29. http://www.amazon.com/gp/product/B005FVNGRS
You may want to mention $24 is USD. AUD will be more.