I guess you know what you prefer but.. Why not fit maguras? Not as light as V but they are excellent brakes. I'm very happy with mine, most powerful rim brakes i've used. They can still be purchased new or easy to find a used set. You can get neat little adapter clamps which fit into the original brake cable locations in the frame so running hydraulic hose to the rear can look neat, no need tacky cable ties around frame tubes which many lazy or cheapskate builders do.
Your fork is intended to work with either a 26" or a 24" wheel, so a Magura brake would mount to two of the four bosses on each side using adapter blocks like the ones in this auction:
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