Lexar’s Professional 133x SDXC cards are now shipping in the jumbo sizes of 64GB and 128GB. These new SDXC cards carry retail prices of $199 and $329, respectively. (Although, the street prices are substantially less. See below.)
Find them at the following links:
Lexar 64GB SDXC Card: B&H Photo | Adorama
Lexar 128GB SDXC Card: Adorama