Amazon offers its Prime members the Sony 32GB UHS-I Class 10 Secure Digital High Capacity Card, model no. SF32UY/TQMN, for $14.98 with free shipping. (Non-members can spend $25 or more to qualify for free shipping; otherwise, it adds $8.02.) That's $0.47/GB, $3 under our mention from two weeks ago, and the lowest total price we've seen. (It's also a current price low by $5.) It features transfer speed of up to 40MB/s.