I agree with everything but the wear. I do know the Star Specs may tend to wear quicker on heavier cars, but on the S2000s and Miatas that we run them on, they outlast the RS3s x2. Ive seen all these tires on a number of cars, and as a generalization, the Star Specs will outlast the RS3s.
Now, on a miata, ive seen the RS3s last 148 autox session and 48 20 minute track sessions over the course of 3k miles - not too shabby. Conversely, I've had Star Specs on my s2000 be tracked for 20 weekends (8-10 sessions each weekend), set a new street RWD track record at Road Atlanta on a set with 4/32 left - sold to a friend immediately after that who got another 7k street miles out of them. I don't think RS3s would have done that. Granted - both chassis are much lighter.