Meritline offers the PQI 16GB 150x Class 10 SDHC Secure Digital High-Capacity Card, model no. PQI-FSC-SDHC1016GB, for $21.45. Coupon code "MLCK9BV19NL1" cuts it to $19.95. With free shipping, that's $1.25/GB and the lowest total price we could find by $7, although it was a buck less in August (since expired).