The Ariane 5 rocket has been checked out fine, and the launch date has now been set as 14th May.
In the meantime, Planck has been fuelled with liquid hydrazine, (rocket fuel) which will allow it to navigate to L2 and once there change the direction its pointing in. It has also been fitted to the adapter which will connect it to the Ariane 5 launch vehicle.
Engineers in “SCAPE suits” fuelling Planck with liquid hydrazine. The suits are needed because the hydrazine is incredibly toxic and dangerously unstable. Image credit: ESA 
Planck being lowered onto the adapter which will connect it to the Ariane 5 launch vehicle. Image credit: ESA