Caldera OpenLinux? I remember that... But it's a bit before my time.
I switched because I was running Mandrake Linux 10, I then updated to Mandriva 2007 and *BAM*... my sound, graphics, and a vast array of other things just keeled over.
I ran many other Linuces after that, including Ubuntu, Korrara, Slackware, Debian, RHELS, SLES, BT2/3, Kubuntu, DSL, Puppy, CentOS and Fedora. They were all good at certain things.... but they always broke somewhere down the line. When asked, it was quite often a known fault in the kernel or distro software setup, not me screwing up.
Then I thought, "Screw it. I'm not running that buggy OS anymore... But I'm not running Windows or OS X either...".
So I found BSD... It was like Linux, but it worked without failure. In fact, if something failed, I could guarantee it was my error, not the OS's.
I run OpenBSD on things where I can, but if OpenBSD's infamous performance slows me too much, I use FreeBSD, which is also great, and runs *fast*.
I'll post part two of my life story in a bit....