Thought I would wait until the patch to post about this, to see if it would get fixed. Unfortunately it didn't.
Basically when I boot the game everything works fine for a couple of load screens, then when I change areas again the game crashes.
This happens every time, the only variable being the number of load screens I get through. Sometimes it crashes right away.
Here are my specs:
And output_log is here: http://pastebin.com/uf97mwqW