Quote Originally Posted by champagnemojo
1) upgrades run smoothly...they're major pains with knoppix. Kanotix also fixes this issue though. I have Kanotix on my laptop and recently ran an upgrade with very little problem. I was very impressed.
FYI, I am running Mepis and do full updates all the time without problems. Plenty of people dist-upgrade and then update to unstable without issues either.