I used BeOS, and I use Haiku. I reviewed BeOS in 2000: https://archive.org/details/PersonalComputerWorldMagazine/PCW%20200007%20July%20Created%20From%20PCW%20

I used BeOS, and I use Haiku. I reviewed BeOS in 2000: https://archive.org/details/PersonalComputerWorldMagazine/PCW%20200007%20July%20Created%20From%20PCW%20Cover%20CD%20%28No%20Cover%29/page/n50/mode/1up https://archive.org/details/PersonalComputerWorldMagazine/PC... Haiku is lovely, but it is considerably bigger and slower than BeOS was. It's also vastly more feature-complete and has 10x the apps, but it's not as miraculous in performance terms, not by a long chalk.