The Matias Wireless Aluminum Keyboard is the keyboard Apple should be making [Video] - 9to5Mac
Matias Backlit Wireless Aluminum Keyboard - US Layout, Numeric Keypad, Mac-friendly Function Keys, 1600 mAh, Bluetooth, Silver/Black - FK418BTLSB at TigerDirect.com
Matias FK418BTB Wireless Aluminum Keyboard - Space... at MacSales.com
Matias FK418BTS Bluetooth Wireless Aluminum Keyboard with Numeric Keypad and 4-Device Sync - Compatible with Mac, iPhone, iPad, Android and Windows PC (Silver)