Logitech Illuminated Living-Room Keyboard K830 is a wireless backlit keyboard with built in trackpad, good option for HTPCs. Online deal only through Dick Smith. Seems to be much cheaper than anywhere else.
http://www.dicksmith.com.au/computers/logitech-illuminated-l…
or you can choose it as part of the three items for $99 if some of the other choices suit you.
https://www.ozbargain.com.au/node/189244