Beach Camera offers the SanDisk Extreme HD Video 16GB Class 10 Secure Digital High-Capacity Card (pictured), model no. SDSDRX3-016G-A21, for $19.99 with free shipping ($1.25/GB). That's $1 under our mention from last week and the lowest total price we could find by $3.

Beach Camera also offers the SanDisk Extreme HD Video 32GB SDHC Class 10 Secure Digital High-Capacity Card, model no. SDSDRX3-032G-A21, for $39.99 with free shipping ($1.25/GB). (Digital Media Source via Amazon offers it for the same price.) That's the lowest total price we could find by $1, although we saw it for a buck less last week (since expired).