Lexar 32GB Professional Class 10 SDHC Card for $40 + free shipping
BuyDig offers the Lexar 32GB Professional 133x SDHC Class 10 Secure Digital High-Capacity Card, model no. LSD32GCRBNA133, for $39.95 with free shipping ($1.25). That's the lowest total price we could find by $2, although it was $15 less two weeks ago (since expired).
8 very similar deals were also reported by some other sources: