The bar intrudes into available desktop viewing space inside the browser and needs re-loading every time the user opens a new window, slowing surfing considerably.

CNN: Digital wallets attempt to save time, headaches

Still, they're all just thick enough to accommodate a tray-loading optical drive, and the 15R and 17R also have enough room for a numpad on the keyboard.

ENGADGET

If you're headed on vacation, you shouldn't have an issue loading up tons of titles onto the 2GB e-reader, but what if you decide you want to buy a book you saw someone reading on the plane?

ENGADGET: Sony Reader Pocket Edition (PRS-350SC) review