PQI 16GB Class 10 SDHC Flash Card for $18.99 shipped. Here is a screenshot for your reference. It features a 16GB capacity, Class 10 data transfer, and 24MB/s read speed and 19.5MB/s write speed. Most places have it for over $30.
This deal has expired as it is now out of stock. Congratulations to those able to get in on it.