So... Canterbury not so good, huh?
How about...Gamerbase in the London Trocadero?!
I had this suggested to me and having checked it out then they have 60 PC's that you can book for either £4 and hour, or we can get a day pass for £25 on Saturday, or £15 on Sunday. Opening hours are 10-24 on Saturday and 12-18 on Sunday so hey, choice is yours.
They allegedly have a list of games, but I'll be jiggered if I can find it on their website. They have DoW1 and are soon to have DoW2, but do not have CoH (boo!). Oh, and they said that with advance warning they would do mods, so maybe we can get some combiner loving or FoK going on.
Anyhoo, they don't seem to need any booking fees and we can just ring up a bit in advance and say "Book 30 PC's for me, my good man!"
So... how's this? No BYOPC and no CoH, but it's in London and we could make a day or weekend out of it.