I did a few SAP races in the rain, various combos of cars and tracks. I came away with the feeling that rain tires are a bit too sticky in full rain. In fact, I did one race in Intermediates and it seemed to me a better representation of high speed driving in the rain. Of course, I am basing this on absolutely no RL experience and a lot of experience in GTR2 which had quite a nice weather/tire system. Mostly my issue is that there seem to be no gradual loss of traction. You can still slam the throttle and the car responds well instead of trying to kill you. Which may be right given modern tire technology, but somehow I don't think so. Tonight, if I feel better I'll do some tests in the rain at different weather setting/tires for lap times and try to compare them with RL data. Unless someone else has already done that in which case I'd like to know the results.