My Homeworld 2 (running on win 7 64bit)
has a FPS of 450 - 500
this causes the camera to stop responding to movement.
the first Fix i had for this was to Run FRAPS and record my game, this limits the Framerate at 60...
and makes 15 min files at 5gbs each.
Heres a new Fix:
-SNIP- it seems that i can't post URL's
i suggest you Google an external application to limit your FPS.
I found one linked on a gamespot Thread, posted by Gaunlin
if you find and use this one i recommend 60 FPS.
Please note, when you run the .bat file, you'll need to change your game res/graphics in order for it to take effect (or so i found)