I'm not really interested in the gazillionth version of Modern Warfare. The games I play are not only those that I played as a kid, but also those that came even before, and there's probably no limit in that direction.
Old games bring back the sense of wonder and excitement for technology. They remind me of spending hours in front of mystifying beige boxes that smelled of dust and ozone. You felt much more like one of William Gibson's "cyber cowboys" than you do now surfing the web.
Installing a game could be an adventure in and of itself. You even had to learn and memorize a game's interface! Modern games are too streamlined for my taste. Sure, they excel in graphics, but the gameplay didn't really improve. It rather dumbed down. Having said that, there are some exceptions like indie and open source games, and even the odd mainstream game.