pezza
I just came across that one as well. Only thing is they are $495 US.
Plums mentioned only paying $100 each for his.
I also found this on ebay which might be worth thinking about. Probably not the best quality but for occasional use it might be ok.
http://cgi.ebay.com.au/CAR-JACK-1500...QQcmdZViewItem
regards
bollie7