My guess is, as Jeralyn has posted earlier, the State will not appeal the Frye ruling. It was very revealing when Wesley White testified that Corey was angry with him for bringing her the Zimmerman case. I think they want this mess to be over as quickly as possible.
To continue my speculation on why the State won't appeal the Frye ruling, I think Corey overcharged Zimmerman to get a plea. Then they tried to force an immunity hearing to possibly end everything. I think they were unhappy when O'Mara decided against the immunity hearing. They have slow rolled the discovery, hoping that the cell phone stuff wouldn't be made public before they lost. BDLR and Mantei put up a good front in court, but Guy always looks to me like he doesn't want to be there. Finally, as Jeralyn pointed out, they have opposed every motion for continuance.
It seems that Corey is unwilling to take it on the chin and drop the charges. Will Nelson find the courage to stop it after the State rests, or will it be left on the six jurors to take the heat?