B&H Photo Video has two great deals on high-speed SD memory cards. They have the Sony 128GB UHS-I SDXC U3 for $54.95 (note this is out-of-stock but you can still backorder at this price.) They also have the Sony 32GB UHS-I SDHC U3 for $14.95.

These are high-speed UHS-I cards, rated up to 94 MB/s. According to B&H the deal expires tomorrow, October 20th.