IMO, any potential "spin-off" of the Arizona properties into a CUU2 won't have a real impact on the CUU price spike once an agreement is struck with Teck. When Copper Canyon was sold to Novagold, CPY spun their other property off. (Yellowjacket, as I recall) The value of CPY rose to the value of the buyout for CPY's Galore area land (paid in NG shares) and a small premium for the perceived value of the spinco. The actual spinoff and sale took months to settle, giving folks plenty of time to sell to the arbitrage crowd and take their profits.

If you don't want to follow Elmer to Arizona, you won't have to. Personally, I would have prefered the Arizona properties to be picked up by BXX, so Elmer could have devoted his complete post-CUU attention there. But I'm in both CUU and BXX because I feel he knows his business.