Next best price (PC) = Blah DVD @£12.99
Next best price (PS2) = Play @£17.99
PC version link: http://www.powerplaydirect.com/asp/itemdetails.asp?prodID=1442746&refID=webgains&siteid=13961
This is a bargain without the price going down, all 3 games are fantastic. Every PS2 owner needs these in their collection.
Your choice depends on what type of gamer you are. You'll probably see £4 extra as a small amount to pay for added pleasure if you're a console gamer, while the cheaper option will obviously be your choice if you prefer to game on your PC.