Stealth fans, ignore everything you've read here and buy this game - this one was made for you from the ground up. For everyone else, ask yourself what you liked about other more stealth-lite games you might have played. If it wasn't studying patrol routes for minutes at a time, give this a miss.
An engrossing and incredibly nostalgic examination of the role instant messaging clients play in forging and maintaining relationships - both when they work, and when they don't. Play the predecessor first, then come back for more. And play it like you're 16 again.