Dead Space 2 Game PC $31.99
http://www.ozgameshop.com/pc-games/dead-space-2-game-pc
Dead Space 2 Game PS3 $40.99
http://www.ozgameshop.com/ps3-games/dead-space-2-game-ps3
Dead Space 2 Game PC $31.99
http://www.ozgameshop.com/pc-games/dead-space-2-game-pc
Dead Space 2 Game PS3 $40.99
http://www.ozgameshop.com/ps3-games/dead-space-2-game-ps3
This is still at or near retail price ($80-100) in virtually every games retailer/computer store in AU, so bargain it is.
At DVD.co.uk for approx $34 delivered (360 version)