ReiserFS works for me.
I've been using ReiserFS for about the last 6
months and it's worked rather well for me.
Performance feels a bit snappier than ext2 and in
the event that something happens requiring a
not-quite-so-clean restart, the time to boot is
greatly reduced. Overall, I've been happy with
ReiserFS and would recommend it. Also, ReiserFS is
included in Mandrake since 7.0 (I believe - maybe