Sony Class 10 UHS-I SD cards are on sale at B&H through June 15. These cards are rated at 94MB/s read speed and 45MB/s write speed.
Deals include the 16GB card for $14.95 (reg. $19.95), the 32GB card for $24.95 (reg. $31.95) and the 8GB card for $9.95 (reg. $13.95). Free shipping on all of the cards too. Check out all the deals here at B&H Photo.
Class 10 cards deliver on speed for HD video capture, which goes along with the size advantage of the SDHC and SDXC spec. For more details on what all the classes and card specs mean, check out my resource article Demystifying SD Cards.