I also think K-Rock has invested too much in new jocks recently to make a move, and will probably stay the course to see if the numbers see a jump from the PPM. That's why I indicated in another post here that Q104.3 might have more to lose. It has an older audience and its music is more similar to what's on 101.9 than what's on 92.3.
And...in a way...deregulation is coming back full circle for CC. With four other stations in the market, they've kind of boxed themselves in, in terms of which formats they can put on the air. Another CHR, for instance, would be nice, but Z100 is owned by CC, so they won't compete against themselves (or, tangentially, KTU and Power). Going smooth jazz or "lighter" than lite is another possible market opening, but CC can't do that...it would eat away at Lite FM's numbers.
A station that I see ripe for a format change is PLJ. I don't know if Citadel is willing to pull the plug, but PLJ might be hurt by the new 101.9, and its numbers are pretty bad as it is. If they slip even more, billing might drop, in turn, and since billing is really the only thing that keeps that format afloat....it would be difficult for them to keep it up. I think 95.5 would be perfect to take on Z100 head to head, or to put on a smooth jazz or "lighter" than lite format. Citadel has no other stations in the market and might feel that it can do better than its current mediocre numbers with PLJ.
As for country....not to rehash that conversation again...but it's not happening.