[Gareth]

Originally Posted by Zeph

Very, very odd, I was playing this yesterday am and it was running love-ly, played it again last night on the same settings and it was laggy... I don't get it, rebooted and everything ... hrrrmmm

Read somewhere that there's a bug with Nvidia cards where it slows down unless you restart the game. Nvidia are supposed to be fixing it in next lot of drivers.

Can try to find the link again if you like.