Until 6 pm ET today, Amazon offers the Logitech Tablet Keyboard for iPad, model no. 920-004440, for $26 with free shipping. That's the lowest total price we could find by $20. Sales tax is added where applicable. It wirelessly connects to iOS devices via Bluetooth and is compatible with the iPad 2, 3rd-generation iPad, 4th-generation iPad with Retina Display, and iPad mini. It requires four AAA batteries (included).