Try
Mice!
Press F1 to switch between mouse locations.
Edit mice= to add more mouse locations.
Just a quick hack, feel free to add graphics or change hotkey.
Skrommel
;Mice.ahk
; Press F1 to switch between mouse positions
;Skrommel @ 2009
#NoEnv
#SingleInstance,Force
CoordMode,Mouse,Screen
CoordMode,ToolTip,Screen
mice=2
mouse=1
Return
F1::
MouseGetPos,mx%mouse%,my%mouse%
mx:=mx%mouse%
my:=my%mouse%
ToolTip,% mouse,% mx,% my,% mouse
mouse+=1
If (mouse>mice)
mouse=1
ToolTip,,,,% mouse
mx:=mx%mouse%
my:=my%mouse%
MouseMove,% mx,% my,0
Return