The answer is Eastercon up in Glasgow.
Was more fun than most Eastercons, did a couple of panels (on historical fantasy TV shows, and 2013 in TV), sat in the audience of a lot of panels (early SF, British cancelled space program stuff, exoplanets, the martial arts demo, the "of the Doctor" trilogy, etc), and played most of the Lesser Robots in Man Of Iron, and Soolin in the Wobblevision of Syndeton Experiment...
Also the team I was on won the pub quiz, and Lesley and I came second in the masquerade, as the War Doctor (me) and Athos of the King's Musketeers (her). Yes, there are pictures on Facebook and Tumblr (originallonemagpie for me, coolserpentina for her)
I swore I wouldn't buy a huge pile of books, and stuck to five regular sized paperbacks, hurrah! But by the time you add in the freebies from publishers, and ones won in the aforementioned pub quiz, I still ended up with four times that many...