BuyDig offers the Lexar 16GB 400x Professional SDHC Class 10 UHS-1 Secure Digital High-Capacity Card 2-Pack, model no. LSD16GCTBNA4002, for $33.95 with free shipping. (Click through to BuyDig to see this price; click through to Adorama or B&H Photo-Video to find it for the same price.) That's $1.06/GB and the lowest total price we could find for two of these cards by $3.