Gutted for you.
Not really worth the insurance claim, once you take into account your excess and the fact that it will push your quote up next year due to making a claim.
The little scrotes should be strung up for sure, had my system nicked three times so far! The last time the faceplate wasn't even on the headunit, it was stashed under the dash and unfortunately they found it while they were trying to butcher the immobiliser wiring to make off with the whole car.