I have used various Linuxes for my home server. This home server hosts my bapat.net web site, my @bapat.net mail server and our intranet (yes! I have 5 computers at home, 6 if you count the office laptop) file server. I have almost always stuck with RedHat (and now a days Fedora) with the exception of a brief stints with Mandrake in the beginning and Debian some 1.5 years ago. The problem with Mandrake is that it is too desktop oriented and too much on cutting edge for my taste. It does not have stability that is required by a server (even if it is for casual personal use). The problem with Debian is the exact opposite. They are too slow to update to the latest technology. Debian's 'stable' releases are at least 12 to 18 months behind the rest of the distos in terms of technology. Though I don't want to be on the bleeding edge, I don't want to be left out. That's why I'm thinking of moving my home server to Gentoo Linux.
I'll update when I am done with the migration.