MacMall has the Sony 16GB High Speed Class 10 SDHC UHS-1 R40 Memory Card on sale for just $6.99! Shipping is free on orders of $25+ or with Shoprunner, otherwise shipping is $4.99. Add 4 to your cart for a total of $27.96 shipped!
Alternatively, MacMall has the Sony 32GB High Speed Class 10 SDHC UHS-1 R40 Memory Card on sale for just $13.99! Add 2 to your cart for a total of $27.98 Shipped!