Wow! What a blast from the past. Check out these screenshots from the first public beta of Mac OS X (full article). I remember using this build (and the previous Developer Previews) and marveling at the stability compared to Mac OS 9 and Windows 3.1. Still, I was convinced in short order despite the dearth of available apps and began using it full-time with the release of Mac OS X 10.0 Cheetah. Good times!
