I'd say yes. 6800 brakes are real improvement mainly for their clearance so opt for them if you can.
Great, just needed a bit of justification for spending! I'd leave the brakes as I'm trying to replace as little as poss, and fairly happy with the CNCs I've got
Di2 is great you will love it.
@TooTallTim started
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I'd say yes. 6800 brakes are real improvement mainly for their clearance so opt for them if you can.