B&H Photo-Video offers the SanDisk Extreme III 8GB Class 10 Secure Digital Card
, model no. SDSDX3-008G-A31, for $22.95
with free shipping
($2.87/GB). That's $16 under our mention of a 2-pack from last week (since expired) and the lowest total price we could find for another single today by $22. It features 30MB/sec sequential read and write speeds.