I'm working with 12 desktop workspaces (every app started on his own workspace). Startup script of mine

gistfile1.txt

#!/bin/sh

# Waiting for desktop loaded
sleep 10

wmctrl -o 1500,0 && /opt/google/chrome/google-chrome 2>&1 &
sleep 2

wmctrl -o 3000,0 && opera 2>&1 &
sleep 2

wmctrl -o 4500,0 && thunderbird 2>&1 &
sleep 3

wmctrl -o 13000,0 && keepassx 2>&1 &
sleep 2

wmctrl -o 14500,0 && rhythmbox 2>&1 &
sleep 3

wmctrl -o 10000,0 && skype 2>&1 &
godesk 2>&1 &
sleep 5

wmctrl -o 0,0 && firefox 2>&1 &
sleep 5

wmctrl -o 6500,0 && /usr/local/netbeans-6.8/bin/netbeans 2>&1 &