Will it put you off visiting in 2016?
No. I'm due to be in Istanbul a couple of times over the next eight weeks or so and am sorting out flights just now.
Saying that, if the FCO advice changes then I will have a decision to make as my current travel insurance will automatically become invalid for Turkey. Thats really the only sticking point.
Yesterday's bombing brought it home to me with a bit of a bump. It happened a couple of hundred yards away from the James Joyce, a place I've used often enough to watch football on Sky - its a bit of dump, but they do show the SPFL matches which a lot don't. I couldn't count how often I've walked that stretch of Istiklal, both during the day and at night.
We were there during the 2003 bombings when the consulate (and other places) were hit, but this one just seems a lot closer to home.
JF