Have a look at http://www.whiteline.com.au/search_2011_4.php?layout=photo&viewpoint=carkit&dropdowns=yes&sort=SUSPENSION+ARMS^^Rear^^Control+Arm,,,CHASSIS+CONTROL+BUSHINGS^^Rear^^Control+Arm,,,ALIGNMENT^^Rear^^Control+Arm
Can buy these from Indigo-gt and scoobyparts at better prices than what is shown on the official whiteline site.