idealpoint via Amazon offers Prime members the New Trent Airbender Air Bluetooth Clamshell Keyboard Case for iPad Air, model no. NT510K, for $29.95. Coupon code "EASYCASE" cuts the price to $19.95. With free shipping, that's $7 under our mention from three weeks ago and the lowest total price we've seen. (It's a current low by $10.) (Non-members can spend $35 to qualify for free shipping; otherwise, shipping adds $9.) It features a metal hinge that allows for landscape and portrait orientation. The keyboard itself works via Bluetooth.