OK, I need to respond to this.
First I need to say that if Sean got his point from where I think he did that the person who said it originally, in my experience, has a slightly rose tinted view of the UK! Having said that, while there is a growing gun problem in this country, it is still nowhere near the level of the problem in the US.
The first story on that link you have to the guardian talks about a boy who shot his parents. Initial reports were that he'd shot them, but it turned out they'd actually been stabbed:
http://news.bbc.co.uk/1/hi/england/mers ... 636576.stm
The overwhelming majority of other shootings in this country are gang related or to do with problems between people involved in organised crime. I can only think of 2 instances in my whole lifetime (27 years) of crazy people getting hold of guns and going on random killing sprees. One was the Dunblane massacre which you mention, the other was the Hungerford massacre back in 1987.
To say that "a horrific crimewave" has taken place since the post-Dunblane firearms crackdown is just misleading. Where are the figures for the comparative crime rates pre and post this crackdown? It say that assault and burglary rates are 100% higher than in the US, but I don't see what this has to do with the guns issue.
Personally, I have absolutely no fear of gun violence at all. I can walk around London at night and not worry. I don't know of anyone who owns a gun, there's just no need. And I'm really glad that things are like this. I really feel uncomfortable when I go to other countries and see the police with guns. It doesn't make me feel safer at all, in fact it makes me more scared.