On a related note, XP can be made to look and act remarkably similar to 2000, except it still has some of those nifty features such as improved compatibility with games. If it weren't for that fact, and I would have to use the horrendous "improved" start menu and ugly window borders, I'd probably stick with 2k as well.
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A world all made of battlefields / A world all drowned in blood / A world that will not last forever / Is all that we have got - Funker Vogt, This World