An Early Eval of Apple’s MacOS X 10.3
"Apple's BSD-based MacOS X 10.3 Panther offers 64-bit processor support and new features wrapped in the latest version of a GUI that has its roots in the NeXT desktop. While Panther sets a new standard for ease of use and interface look and feel, it still lacks features that Linux users have long enjoyed." Read the article at NewsForge by C. Gulker. Update: SunSpot has a review too: "One more cool cat".