You likely won't find a more accurate rifle than what you would get from Christensen.
I don't own any of their rifles but I do own one of their 1911's & it's a work of functional art & I've shot a couple of their AR's too which are great..........just can't justify the price.
They really know & understand how to use composites.
I don't like the magazine hanging out on their bolt guns & I'd double check that their rifle is really a 338 Win & not really a 338 Lapua.
For sure the Dakota will be a good rifle & it will surely be easier to sell if that means anything to you; getting rid of the Christensen will be difficult simply because of its relative obscurity & low demand level.
I seriously doubt that the Dakota would ever be fully the equal of the Christensen in the absolute accuracy department though, but still, likely good enough.
I did own a Dakota 76 & it was a great gun in all respects.
Prolly not too much help, but it's all I've got.
MM
shaking my head..wow