Same here, I've never had any outage issues with the London datacenter.
Though I had one issue where I couldn't install 64bit image to the server. I sent an support ticket about it and in less than ten minutes the whole thing was sorted out.
No downtime at all since I got started with them in late 2007, except for a few reboots to activate free loyalty upgrades and one paid upgrade. I've never lodged a support ticket that was left unanswered for more than a minute or two. Very predictable performance and reliable support are huge.
My attack surface on that particular machine is sufficiently low (everything off except keyed SSH and nginx) and the machine's duties so minor that I don't bother.
Though I had one issue where I couldn't install 64bit image to the server. I sent an support ticket about it and in less than ten minutes the whole thing was sorted out.