This deal has ended.
Buy.com has the Dane-Elec 4GB Compact Flash (CF) Card on sale for just $12.95 after a $19 mail-in rebate (expires 3/26). It received 4 out of 5 stars in overall satisfaction from 19 buyers. Be sure to check that your device and/or computer is compatible with CF. Shipping is free and there's no sales tax (except CA, MA, MD, TN). Sign up for a new Google Checkout account to get an additional $10 discount.