at home I use..
XP Home on my EEEPC
Gentoo linux on my gateway/firewall
Win Server 2k3 on my file server
Vista 32bit on my laptop
Vista 64bit on my desktop
As Chris said, every OS has its ups and downs.. when they are used for their primary purpose, they are all fantastic... *nix OSes make servers FLY! there is no doubt about it. Vista is very capable provided your system has the power to run it... XP still has its place on older machines, or machines that do not require something different.. Its something of a work horse...
Carl is correct, the right hemisphere of the brain controls arts, creativity, and spatial/geometry sort of thinking. the left hemisphere is logic etc...
One of the many parts of psychology classes I remember.. A memory retention tool I created for the very purpose of remembering it... RALS.. Right-Arts, Left-Smarts.