ho hum
Where to start?

I started with Caldera Linux 1.3

Then Redhat 6.0 (ugh!)

Then Slackware 7.0, 8.0, 9.0

Changed briefly to Mandrake Linux.

Then Back to Slackware 10, 10.1

The Ubuntu Breezy (5.10), and Ubuntu Dapper (6.04).

Then Zenwalk Linux 2.6, 3.0, 4.0, 4.2, 4.4.1 , which is where I currently am.