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and I think you are missing out unless you get the chainset and brakes. Both are very good.
That's why I like the Ultegra version - No faffing with selling the crankset, wheels, and possibly brakes, then then fitting a new BB30 crankset myself or fitting an adaptor for Shimano cranks. The Ultegra version, I'd just swap the wheels, and change a few other easy bits with no major work or extra tools etc needed.
I would go Racing Edition every time.
If you go Shimano I would go for 11sp, and I think you are missing out unless you get the chainset and brakes. Both are very good.