BB aren't soft, they are only interested in the money anyway.
The correct vote would have been to save, but not for C4.
It gets very slippy after it's rained, the rain would get rid of snow very quick, but if it's compressed into ice it takes a long time, it's very hard to rush the thaw of ice.
You were lucky with your liquid gas then, they are probably kept off the roads as it's a hazardous load and will have a health and safety code to follow I would have thought.
You probably should be using the Vista driver for your card, Win7 is built on the Vista program isn't it?
I would try all the drivers and see how each is, and what the card is like with it, then use the best in the end.