There's a great new gift idea for those who play games. Growing numbers of home theaters are just the tip of the iceberg. They indicate that more and more people are staying home and spending time with family and friends. A new phenomenon, people interacting more, also is afoot. They're talking and dining together. And, they're playing games such as Monopoly, Scrabble, backgammon, checkers, chess and card games. The trend has ushered in one of the hottest new gifts this year -- game tables. If you're in doubt, look at what designers are tucking into every nook and cranny in model homes. And, take note of dream home settings in magazines. Game tables are everywhere.