Dolphin is CPU-bound. No GPU speed enhancements on a GPU with enough power to get 100% at it's given settings will be worth anything in Dolphin. Considering that I don't think that many people have a GTX 610* around here, I see no point to this.
* = My GPU of choice to pick on
* = My GPU of choice to pick on
in a perfect world we would all be piles of sand with no ability to form coherent bodies of body