Hi forum! I have a question for all of you who are reading this! What do you think which distribution should I use for my server: Debian, Slackware, Cent OS etc... This 3 are the ones I know that they are used often. I'm familiar with Deb and Slack but not with Cent... Can you tell me their good/bad sides from your own experience? If anyone can suggest some other distribution that's better please do so! Bleeding edge distributions are out of the question like Arch Linux, or Fedora core (which is used as experimental OS for Red Hat)...
Thank you!

CentOS 6, if you use the minimal CD you will have a very good base for a server.

I recommend SLES as I worked with it for two years.
It is the most user friendly GUI interface I ever found.
Register for evaluation copy (SLES 11 SP 1)and update.
For server I dont think you need frequent updates if the server is stable.

+1 Centos, although may want to go with the 5.X branch as that's older and so should be a little more stable.

I'll say RHEL or Debian for a production server. Stable, vetted, and well supported.

Of course, nothing wrong with CentOS if you can tolerate the slower major/minor version updates.

Debian and Slackware are excellent server distros, so I'd say there is no reason to switch to RHEL/CentOS (unless you want to).

I use Centos 5.7 and yes slower updates if you relying on official release.
But so far I'm happy with my server.

I would suggest that as RedHat is more common in large commercial organisations (who often prefer to have a safety net of "paid-for" support) then learning CentOS/RHEL makes a little more sense.

I think I'll try Cent OS on my desktop for a month or so and then decide between the Debian and Cent OS! Debian was extremely stable when I used it (about 6 months ago)... what ever I did to Debian, it never crashed or lagged! Not even once! Plus it has more than 20.000 packages and is easier for me than the Slack is. About Red Hat, well I just don't want to pay for support, because I can get the same, or even better "support" here at the LQ community!
Thank you guys for your replies! Best regards!

After a little more "braining and thinking" i decided to use Salix OS (which is based on Slackware, as stable as Slackware, but more user friendly than Slackware) Cheers, and thank you for your replies!