I'm not in the market for something like this myself, but thought it may be of interest to others:
2.66 Ghz Dual Core processor
2 Gb DDR2 RAM
500 Gb SATA drive (7200 rpm)
HD-DVD / BluRay / DVD / CD drive
Nvidia Ge-Force graphics card with dedicated 256Mb DDR RAM
8 x USB, 2 x Firewire plus lots of everything else
$1449
http://aldi.com.au/au/html/offers/2867_3949.htm