That just sounds like you forgot to restart the game when you turned vsync off and it was still enabled. That or something in the graphics system didn't disable vsync correctly. I can't really comment on the graphics system, but I am 100% sure I restarted the game in between, and it did say flip[of...

I think I was having the same issue. When I zoomed out, FPS would drop from a solid 60 to around 20. I noticed that while this happened, flip under frame cycle was taking up around 40 (ms?) instead of the usual < 1. I tried it with vsync off (which is what I originally had it set to because I use G-...