Vozpópuli: The eyes of the PP turn to Santamaría and Gallardón in case Rajoy were forced to resign

Hispanidad: Cospedal warns: Soraya betrays Rajoy

Diario Crítico: Gallardón comes out in defence of Rajoy after Soraya's warning

As you can see, not the most credible of sources (yet). I don't know where Spiegel sourced their story: Rajoy's Successor? The Most Powerful Woman in Spanish Politics but they are the highest-impact media to have talked about this. See also my own diary about Soraya: The brain in Spain's new government (December 24th, 2011).

Finance is the brain [tumour] of the economy