Geez, it was too quick a look, that one above only has a trial operating system! :(
Try this one for $319, and add the operatingn system for $115 (they install for you) for similar total. Again, no affiliation to seller.
http://www.ebay.com.au/itm/Intel-Dual-Core-Computer-G2020-2-9GHz-4GB-RAM-500GB-Desktop-PC-/230929611560?_trksid=m7&_trkparms=algo%3DLVI%26itu%3DUCI%26otn%3D3%26po%3DLVI%26ps%3D63%26clkid%3D5676398884249494142&_qi=RTM839191
