Sample Slate config (see https://github.com/jigish/slate/issues/130)

.slate

config defaultToCurrentScreen true
config nudgePercentOf screenSize
config resizePercentOf screenSize
config focusPreferSameApp false
config focusCheckWidthMax 3000
config checkDefaultsOnLoad true

alias air  1440x900
alias dell 2560x1440

alias top-half     move screenOriginX;screenOriginY                             screenSizeX;screenSizeY/2
alias bottom-half  move screenOriginX;screenOriginY+screenSizeY/2               screenSizeX;screenSizeY/2
alias left-half    move screenOriginX;screenOriginY                             screenSizeX/2;screenSizeY
alias right-half   move screenOriginX+screenSizeX/2;screenOriginY               screenSizeX/2;screenSizeY
alias top-left     move screenOriginX;screenOriginY                             screenSizeX/2;screenSizeY/2
alias top-right    move screenOriginX+screenSizeX/2;screenOriginY               screenSizeX/2;screenSizeY/2
alias bottom-left  move screenOriginX;screenOriginY+screenSizeY/2               screenSizeX/2;screenSizeY/2
alias bottom-right move screenOriginX+screenSizeX/2;screenOriginY+screenSizeY/2 screenSizeX/2;screenSizeY/2
alias maximized    move screenOriginX;screenOriginY                             screenSizeX;screenSizeY


layout 2monitors 'Emacs'                ${left-half} ${dell}
layout 2monitors 'Google Chrome':REPEAT ${right-half} ${dell}
layout 2monitors 'Mail'                 ${maximized} ${air}
layout 2monitors 'iTerm'                ${top-right} ${dell} | ${bottom-right} ${dell} | ${bottom-left} ${dell} | ${top-left} ${dell}
layout 2monitors 'iTunes'               ${maximized} ${air}
layout 2monitors 'Echofon'              throw ${air}

layout 1monitor 'Emacs'                ${maximized}
layout 1monitor 'Google Chrome':REPEAT ${maximized}
layout 1monitor 'iTerm'               ${top-right} | ${bottom-right} | ${bottom-left} | ${top-left}

default 2monitors resolutions:${air};${dell}
default 1monitor  resolutions:${air}


# Positioning
bind w:ctrl;alt;cmd ${top-half}
bind x:ctrl;alt;cmd ${bottom-half}
bind a:ctrl;alt;cmd ${left-half}
bind d:ctrl;alt;cmd ${right-half}
bind q:ctrl;alt;cmd ${top-left}
bind e:ctrl;alt;cmd ${top-right}
bind z:ctrl;alt;cmd ${bottom-left}
bind c:ctrl;alt;cmd ${bottom-right}
bind s:ctrl;alt;cmd ${maximized}


# Move between screens
bind /:ctrl;alt;cmd       throw next

# Focus Bindings
bind right:alt;cmd     focus right
bind left:alt;cmd      focus left
bind up:alt;cmd        focus up
bind down:alt;cmd      focus down
bind down:ctrl;alt;cmd focus behind

# Window Hints
bind esc:cmd hint ASDFGHJKL

#bind tab:cmd switch
#bind tab:shift;cmd switch

#bind g:ctrl;alt;cmd grid padding:5 0:screenSizeX/8,screenSizeY/8 1:screenSizeX/8,screenSizeY/8