To each their own, I guess. What you are really asking for is a 980 with a 6.7psi cabin, and that I can get behind.
Incidentally, the SRLs are fine. The people who complain about them don't know what they are talking about, or they heard something from their buddy who heard from his buddy about someone who had a problem with them.
And, as you know, I prefer my Sundstrand with freon air to the environmental system in the 690. But I admit that there, I am in the minority!