Logitech K400 Plus USB Wireless Keyboard with Touchpad for $19.99 shipped.  Here is a screenshot for reference. Alternatively, it is available at Amazon for $19.99 with free shipping on orders over $35.  It features 33-ft (10-meter) wireless range, built-in multi-touch touchpad and plug-and-play setup, and more.  This may be very handy for a home theater PC [...]