Future proof, eh? How long are you going to live? How much longer can you ride?
Right now the head unit(s) and software is a much faster aging problem than any of the running gear. That's an issue if you want to live in power meter strava land. If you just want to ride a bike, get a Tiagra or analog 105 bike and ride into the sunset
__________________
Genesis 49:16-17
"Well, well!" said Holmes, impatiently. "A good cyclist does not need a high road. The moor is intersected with paths and the moon is at the full."