So there you are , sitting at your desk, you have your eye on the favorite casual game, maybe 20 bucks a pop at the least. Expensive isn't it? But you say to yourself, ah what the heck, its worth it.HOLD IT RIGHT THERE.Ever see the Jewel Case section of your favorite store which carries PC CD-ROM Software? The game you were about to plunk a twenty on just might be in this isle for half the cost. One good example is Galactic Civilizations Complete from Stardock. I have seen these pop up at Circui...