BuyDig offers the SanDisk 64GB Ultra Class 10 Secure Digital High-Capacity SDXC Card, model no. SDSDU-064G-A11, for $42.95 with free shipping. That's $0.67/GB, $1 under our expired mention from three days ago, and the lowest total price we've seen for a 64GB Class 10 SDHC card. (It's a current price low now by $10.) It features read speeds up to 30MB/sec.