Did you end up doing it? We are considering same (and have a similarly active household!)
I would love to see pictures!

Following this thread.

This hinges on two questions: material quality and fabricator skill. I went with Silestone when I did my built-up mitred counters in five rooms (five years ago) and have had no chipping. But that's because my fabricator was great and does solid-surface work only.

Ensure you get a great result by working with a fabricator who comes highly recommended, who creates a full physical template of your counter plan, and who understands your expectations about finish quality and durability.

Do your homework and you can work together for lasting results that will stand the test of time. Cheers!

"...who creates a full physical template of your counter plan..."

This is old school. Nothing wrong with it, but it's obsolete technology. If you disqualify a fabricator because he templates digitally, you're a fool.