Allan - I bought one of these 960x234 5" Viscom units at JB Hifi for $230 and use it as a reversing camera monitor in my Land Rover. Comes with stand and a bunch of power and video cables. Works well.
http://tenvox.com.au/vs5006.htm
Distributor:
Wholesale Appliance Distributors Pty. Ltd.
38 Matheson St
Virginia 4014 Qld.
Phone: (07) 3865 3333 Fax: (07) 3865 3300
Cheers
Chris