Can't remember when my hands were trembling from playing a friggin' game, pretty intensive!
Had a quite colourful ride as you can see from my comments...
@Vain
You can view the weather before the stage.
The tyre thing is one I'm not completely sure about as the instructions were a little shady. I'm guessing if I had unchecked the box 'allow setup change' you couldn't change tyres if not in service area. EDIT: Already answered.
More @Vain
About the grip problem, had you noticed on some stages the road surface was worn at some places? The physics were all same so...
And some more @Vain
I hope you aren't disappointed, man. It's kinda obvious everyone was pushing too hard on those circumstances and I too was damn lucky not to break my engine during one or two occasions. Hope I'll meet you again on the tournament!
All in all, it was mad fun!