This awesome little wireless touchpad/keyboard would be perfect for a HTPC. It’s only $62 which makes up for its appearance. It’s made by USB Geek and requires just a small receiver on the computer.
# Features: Full-featured RF keyboard with Touchpad
# 48 keys QWERTY format handheld style keyboard
# 2.8″ (7cm) touchpad with left and right mouse buttons
# 2.4GHz radio frequency, up to 30 feet effective working range
# Backlight keyboard for convenient operation in darkness
# Built-in rechargeable battery
# On/Off button
# Support Windows 7, Vista, XP, 2000
# Support Mac OS
# Dimension: 126 x 83 x 9mm (approx.)
# Weight: 66g
I always liked the Logitech diNovo Mini but it’s twice the price.