I've got the Virtuoso. The '586 (?) model with improved burrs. It's bulletproof. I did have to replace a few of the plastic parts that act like mechanical fuses

I've got the Virtuoso. The '586 (?) model with improved burrs. It's bulletproof. I did have to replace a few of the plastic parts that act like mechanical fuses when I tried to grind a batch of coffee that had a pebble in it.