With a bit of a lead time I can get a plug pack for you, 12Vdc 3A for $29.00 plus delivery but if you need it quick then another alternative is -
http://www.jaycar.com.au/productView...T&SUBCATID=521 - May need to check the 12V current rating doesn't say anything.
I am still cleaning out old stock at the moment so i am not re-stocking until all the other stuff is cleaned out.