I have recently gotten into Raceroom, and, I must say that I am quite impressed. I usually drive AC and ACC, and I used to drive Race 07 a lot, when it was current. I also drove about 300 races in the official iRacing service. I always read that Raceroom is supposed to be a bit more arcade-y to drive, but, I can't really confirm that. It feels a lot like AC, and, the FFB is very good as well, as it gives you a good feeling about the limit, and, especially, a good feeling on the brakes.
I didn't drive a lot of the cars yet though, I almost exclusively drove the WTCR 2020 cars, as that's what was the most fun for me in Race and Race 07 as well.
Again, I'm quite impressed about Raceroom, not only about the driving, but, also about the interface, the netcode, the whole sim feels "round", where in AC and ACC, I can understand that a lot of people are put off by the interface, the server browser, and all that. I have yet to drive in the ranked races in Raceroom, as I have to buy tracks, but, I'm sure I'll really enjoy that as well, at least if the people behave.