Master of Magic for PC. Its a pretty old game, but still (IMO) one of the best fantasy/strategy games ever made. I would love to see a modern sequel to the game. Coincidentally, if anyone is looking for old classics, there is a great place to find some of the oldie-but-goodies.
http://www.the-underdogs.org/about.php
They have older games available for download, for free, directly from the site. They only allow downloads of games that are no longer commercially available. You can read about their site mission directly on that link. Warning, pop-up heavy site, highly suggest depleted uranium popup-blocking armor.