iMac 20" With wireless keyboard and mouse in BLACKWOOD, South Australia for sale

iMac 20' with wireless keyboard and wireless mouse. Ram has been upgraded to 4GB and computer reset to factory settings running with Mountain Lion.
Processor and memory
2.0GHz or 2.4GHz Intel Core 2 Duo processor, 800MHz system bus
4GB (two SO-DIMM) of PC2-5300 (667MHz) DDR2 memory
Hard drive
20-inch model with 2.0GHz processor, 250GB Serial ATA 7200-rpm hard drive
Optical drive
Slot-loading 8x SuperDrive (DVD±R DL/DVD±RW/CD-RW)
Writes DVD+R DL and DVD-R DL discs at up to 4x speed
Writes DVD-R and DVD+R discs at up to 8x speed
Writes DVD-RW at up to 6x speed and DVD+RW discs at up to 8x speed
Reads DVDs at up to 8x speed
Writes CD-R discs at up to 24x speed
Writes CD-RW discs at up to 16x speed
Reads CDs at up to 24x speed
Display
Built-in 20-inch (viewable) glossy widescreen TFT active-matrix liquid crystal display
Resolution: 20-inch: 1680 by 1050 pixels
Communications:
Built-in AirPort Extreme wireless networking (802.11n)2
Built-in Bluetooth 2.0+EDR (Enhanced Data Rate) module
Built-in 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
Graphics and video
20-inch model with 2.0GHz processor
ATI Radeon HD 2400 XT graphics processor
128MB of GDDR3 memory
Mini-DVI output port with support for DVI, VGA, S-video, and composite video connections via adapter3
Built-in iSight camera
Support for external display in extended desktop mode
Digital resolutions up to 1920 by 1200
Analog resolutions up to 2048 by 1536
Support for external display in video mirroring mode
Peripheral connections:
One FireWire 400 and one FireWire 800 port; 7 watts each
Total of five USB 2.0 ports: three ports on computer, two ports on keyboard
Audio:
Built-in stereo speakers
Internal 24-watt digital amplifier
Headphone/optical digital audio output (minijack)
Audio line in/optical digital audio input (minijack)
Built-in microphone