I only recently moved all my hardware to 13.37:
1. Home multi boot machine (has 4 systems on it: 2 Slack OSes and 2 Win OSes)
2. Workshop machine (1TB drive pure slack :P)
3. Gecko Edubook (from my sig down below) is 13.37 now (on 2.6.38.4 recompiled for APM and i586)
And I was going from 13.1 yet still have 12.2 on the home rig
In the PC-repairshop I worked, we had a 11.0 running a custom kernel until recently (~5yrs of service).
I ran current for a while, as BrainL wrote- it's too much bells and whistles for sorry me
I typically heavily customize my Slackware installs, and put loads of games, and this requires patience for ports to apear on SBo and packages to come to slacky.eu, so I usually
Code:
upgrade ()
{
T=(release + 3 months)
}