Philips 32GB SDHC Class 10 Card for $19 + free shipping
Meritline offers the Philips 32GB SDHC Class 10 Secure Digital High-Capacity Memory Card, model no. FM32SD45B/27, for $21.95. Coupon code "MLC824GN" cuts it to $19.45. With free shipping, that's $0.61/GB and the lowest total price we could find, although we saw it for a buck less in June. Coupon ends after 200 redemptions.
2 very similar deals were also reported by some other sources: