If i follow what Lampent said, regarding Gothitelle, my heart goes to switching out Donphan, hence losing a Rapid Spinner in the process.
However, now i have 3 pokes with SpA atk based! (Venusaur, Heatran, and Gothitelle). Is that bad? I 'try' to have 2 Physical/2SpA/2 Walls, however sometimes...