oh man sorry to hear that. There are people out there who are scum and should be neutered so they can't breed more scum.
£120 sounds like a really good deal, however I'd get it re-sprayed by a professional rather than a chip away type of company. My brother had his car keyed 2 or 3 years ago and where he got it fixed by a chips away type company the lacquer has started to crack and peel away.