Given that Sherri does live in LA, I wonder if she's not appearing as often as she is because its convenient rather than because she's got the edge in getting the job permanently. She's done it enough that it's easy to put her in there. When they replaced Debbie, and then when they replaced Lisa, they auditioned replacements on the air. But then with Rosie, they pretty much plugged her in there without having her guest much. With a lot of the peopel who've been guesting this Summer, I'm hoping they're fillers and not auditions.