I thought I had remembered you putting up resistance in one of Jude's articles/threads about ear scanning and Ultimate Ears? Oh well...
For what it's worth, I'd miss the visual aspect for sure, but the convenience of digital ear impressions and potentially faster build times would be worth it to me (sound quality equal, of course). And the more companies accept digital impressions (which would be significantly more convenient for me, all things considered), the more likely it is to go mainstream.
That said...if I were to buy a CIEM as expensive as the K10, for example, I'd probably go all in with a hand-crafted Wizard design at that point.