Deal: 2-Pack SanDisk Extreme HD Video 16 GB Class 10 SDHC Card for $50

Adorama has the 2-pack Sandisk Extreme III 16GB SDHC Memory Card for $50 with free shipping. It also comes with a memory card holder.

If you don't need 2 and you're looking for only 1, B&H Photo Video also has it for $26.49 and no memory card holder.