Hooray, I'm the first.
The Colorado Supreme Court will announce Monday morning the result of the lawsuit against the city and county of Denver to force them to submit to the preemption. They argue home rule status allows them to snub the state law.
State of Colorado and Bill Owens v. City and County of Denver, 04SA396
Sternberg v. City and County of Denver, 05SA22
Here's the link.