[CentOS] Any long-time CentOS users on list using Ubuntu as well?

[Edward J. Weinberg]

On Mon, 2006-11-27 at 11:22 -0500, chrism at imntv.com wrote:
> I've gotten roped into helping a local charity with some 
> computing/infrastructure snafus.  It seems their last good Samaritan 
> installed Ubuntu all over the place and is "unavailable" now to clean up 
> the mess.  CentOS has made me somewhat lazy because everything just 
> works out of the box for the most part and you've got the occasional 
> "yum update".  :)  These are all desktop systems, if that makes any 
> difference.  With any luck, I'll be able to pave over the installs with 
> CentOS 4.4 and call it a day.  :D

I have been using RH, and now Centos for over 10 years.
I just put Kubuntu on my desktop.  I am impressed so far.
It is a Debian derivitive...what is not working?