Buy.com has the Kingston 1GB Secure Digital Card for only $6.00 shipped after rebate.

Pricegrabber Price : $25 ~ $32 Shipped

1. Buy.com Price : $30.00
2. Use Google Checkout to get $10 off $30.
3. Rebate Price : -$14.00 (Expires : 12/09)
Final Price : $6.00 Shipped After Rebate