SanDisk dropped the prices on several of their SDHC/SDXC/CF Cards today (free shipping expires on May 14th):
SanDisk Extreme Compact Flash Memory Cards (Transfer Speed Up to 120MB/s)
SanDisk ExtremePRO CompactFlash Cards (up to 160MB/sec Transfer Speed, RTL AM VPG-65)
SanDisk Class 10 U3 Extreme SDHC/SDXC UHS-I Memory Cards (90MB/s Read, 40MB/s Write)
SanDisk Class 10 ExtremePRO SDHC/SDXC Memory Cards, U3 (95MB/s Read Speed)
SanDisk ExtremePRO UHS II SDHC Memory Cards (250MB/s Write Speed, UHS Speed Class 3 (U3) enabled)
Lexar is also having a sale on a few of their higher speed microSD/XC Cards:
Lexar Professional 1000x Class 10 UHS-II (U3) microSDHC/SDXC Memory Cards (Up to 150MB/s Read Speed)