Notes on a few of the others I tried.
Mollys chocolate stout - Too much patent and not enough body, not impressed with this one at all. Saruman made an extract Chocolate stout a while back which was far superior to this, as was the one I made myself with Coopers kit, weyermanns LME and cocoa nibs.
Belfast black - Good stout, I like this one.
Belfast Lager - I dislike the use of a non noble hop variety in a lager, it feels like it should be an ale, just not right for my taste.
Hop Head - Not bad, possibly a little too hoppy for my taste, easy to taste the US hops in it, I made a beer at Xmas which was very similar. The wife actually drank this one.
Timothy Taylor Landlord - Nothing special, I have a best bitter there which I think is very similar to this.
So far the stand out beer has been the Gueuze, loved that one - I think the fact that it was close to it's best before date might have helped as it's matured out nicely.
I have to admit having tasted these I am getting more and more disenchanted with commercial varieties and actually am happier and happier with my own abilities as I am equalling or surpassing a lot of these with my own brews.