As one of its daily deals, BuyDig via eBay offers the Sony 32GB UHS-I Class 10 SDHC Secure Digital High-Capacity Card, model no. SF32UY/TQMN, for $15.99 with free shipping ($0.50/GB). That's $3 under our August mention and the lowest total price we could find by $4. It features transfer speed of up to 40MB/s. Deal ends December 28 at 11 am ET.