Just get the disc frame. You could go either v or disc with it.

I live in an area where there is undulating terrain. When i rode v (comma) (sorry my comma button is not working) i was happy with it in the dry but disappointed in the wet. Then i rode mechanical disc and i was happy with it wet and dry (comma) but hate the almost constant adjustment i had to make. Now i am riding hydraulic disc and i am happy with it wet and dry.