Vrs weighs 1200kg with a 90% full tank.
Make sure you have under half a tank and you'll drop another 20kg off the weight too
I too would suggest a shortshift to 2nd gear as the supercharger will definitely overwhelm the tyres if you don't
Don't bother messing with anything of the DSG, just hold it on the brake as you would normally do at a set of lights and then press the fast pedal when the lights turn