Windows 2000 also represents the zenith of UI design for Microsoft software. I'm still rather baffled about how people look back fondly on XP, it looked like a toy for toddlers, and installing the Zune theme was the first thing I did after a fresh install to try and tone it down. The in-your-face over decoration of UI's thankfully hasn't persisted, but instead we're seeing a similar kind of decadence among our suppos…
This is probably a very unpopular opinion but I rather liked Windows Vista's design. It was still very compact compared with later designs, and it had a certain charm from its prevalent use of translucency. I disliked XP for the same reason you cited, and upgraded to Vista almost as soon as it came out, despite early Vista's instability.