Meritline has the OEM New in Brown Box Logitech K700 Wireless Keyboard w/ Touchpad for Logitech Revue for a low $24.99 Free Shipping after Coupon Code: "MLCKS06CNL1" (Limit 100 uses). Tax in CA. This is $36 at Amazon.
Features a built-in touchpad along with controls like Play, Pause, Rewind, and Fast Forward. Although it is designed "for the Revue", it can be used on a computer as well. This would make a great HTPC keyboard with its built-in trackpad.