Linux, openSUSE 12.3 KDE4, Plastik theme with Norway color scheme, Oxygen antialiased fonts. Stunningly beautiful.
What's your favorite config? No need for screenshot, just say the settings and fonts.
Do you honestly expect people to know every setting of every window manager? Without screenshots the thread is a bit useless.
Mac OS X 10.8, reduced dock size (without magnify) and replaced the desktop wallpaper (currently a misty lake view).