Update: Deal over
Samsung 64GB EVO SDXC Class 10 Memory Card – Link 
Adorama has this on sale via Amazon right now for only $15 w// free shipping!
- Up to 48MB/s transfer speed
- Great for Digital Cameras, DSLRs, Camcorders and PCs.
- Great speed and performance upgrade for full HD video recording and high resolution pictures.
- Water proof, Temperature Proof, X-Ray proof, Magnetic proof
- Compatible with devices with SDxC slots.