Ending today, newegg offers the ADATA DashDrive UV128 USB 3.0 Flash Drive, model no. AUV128-64G-RBE, for $39.99. This $10 mail-in rebate cuts it to $29.99. With free shipping, that's $0.47/GB and the lowest total price we could find by $13. Features include read speeds up to 90MB/s and write speeds up to 40MB/s.