I've just emailed them about attending myself.
As to the issue of homebrew saving you money, I think that is the wrong way to think about it. It is a hobby. A hobby which produces plenty of good beer, for my friends and I to enjoy, but a hobby none the less. It is possible that I would spend that the same amount of money on beer a year as I do on home-brew, I would have to work it out, but I would get less beer for that money.
Here's a question for the extract brewers, how much would a 23 litre batch of 4.X% Vol, DME based, Blonde Ale set you back?
Also, what would you consider to be a proper starter kit? The kind where you could continue to brew extract beer indefinitely without something pissing you off? I would include a wort chiller as essential kit, for example.