Adorama offers the Kingston 32GB Class 4 Micro Secure Digital High-Capacity Card, model no. SDC4/32GB, for $29.95. With free shipping, that's $0.94/GB, tied with last month's mention (which required a rebate), and the lowest total price we could find by $10. It includes an SD card adapter.

Note: This item is currently on backorder with no estimated shipping date, but it can still be ordered at this price.