my slate config https://github.com/jigish/slate

.slate

config defaultToCurrentScreen true
config secondsBetweenRepeat 0.1

# Shows app icons and background apps, spreads icons in the same place.
config windowHintsShowIcons true
config windowHintsIgnoreHiddenWindows false
config windowHintsSpread true

config checkDefaultsOnLoad true


alias monitor-laptop 1
alias monitor-acer 0
alias monitor-dell 2

alias side-top      move screenOriginX;screenOriginY screenSizeX;screenSizeY*1/3 ${monitor-dell}
alias side-middle   move screenOriginX;screenOriginY+screenSizeY*1/3 screenSizeX;screenSizeY*1/3     ${monitor-dell}
alias side-bottom   move screenOriginX;screenOriginY+screenSizeY*2/3 screenSizeX;screenSizeY*1/3  ${monitor-dell}
alias top-full      move screenOriginX;screenOriginY screenSizeX;screenSizeY    ${monitor-acer}
alias bottom-full   move screenOriginX;screenOriginY screenSizeX;screenSizeY    ${monitor-laptop}

alias full          move screenOriginX;screenOriginY screenSizeX;screenSizeY

layout 3monitors 'HipChat':MAIN_FIRST         ${side-middle}
layout 3monitors 'Terminal':REPEAT            ${side-top}
layout 3monitors 'SourceTree':REPEAT          ${side-bottom}
layout 3monitors 'Sublime Text':REPEAT        ${top-full}
layout 3monitors 'Google Chrome':REPEAT       ${bottom-full}
layout 3monitors 'Finder':REPEAT              ${bottom-full}


layout 1monitors 'HipChat':MAIN_FIRST         ${full}
layout 1monitors 'Terminal':REPEAT            ${full}
layout 1monitors 'SourceTree':REPEAT          ${full}
layout 1monitors 'Sublime Text':REPEAT        ${full}
layout 1monitors 'Google Chrome':REPEAT       ${full}
layout 1monitors 'Finder':REPEAT              ${full}



default 3monitors resolutions:${monitor-laptop};${monitor-acer};${monitor-dell};
default 3monitors resolutions:${monitor-laptop};



bind 3:cmd layout 3monitors
bind 1:cmd layout 1monitors

bind space:ctrl grid padding:5 ${monitor-laptop}:2,2 ${monitor-acer}:2,2 ${monitor-dell}:1,3
bind e:cmd hint ASDFGHJKLQWERTYUIOPCVBN