If you want a cheap Xbox to play your weekend away with, Dick Smith might be able to help you out.
You can pick up the 4GB Xbox 360 with Kinect, Kinect Sports and a 3-month Xbox Live Gold Card for $199. That's $362 in your pocket. [Dick Smith]
Update: Good grief. This went fast. Do the ring around and see if your local store can hook you up with one of these if you're desperate, but here's a cheap 1TB hard drive from Officeworks to be going on with.