There are too many distributions. My only limitation is time. Not even space. Space is virtually unlimited as there are no ties to the previous. Complete and total obliteration to the last partition is every day just about.
So far this week I've played with:
Server Side:
CentOS
FreeBSD
Desktop Side:
ARK (Again. Because I just fucking love saying ARK and playing tetris while it installs.)
SuSe 11.0
Fedora (Went back to it like an abused rape victim goes back to her boyfriend. He loves her, she says. He can change, she says.)
On my list is now:
Mint
DesktopBSD (Actually using it is more correct. It's sitting on a virtual machine on my big gaming rig)
WNLA 2.0 (Because I finally got the link for it)
So in short, fuck you, Linux and Unix. Fuck you both respectably.