In a nice touch the mouse & keyboard supplied with the new iMac come already paired up.

@kdfrawg Never struck that before. I did buy a MBP in 2009, exactly one week before Snow Leopard came out. Because it was a recent enough purchase, I scored the update for $15.

Thunderbolt 3-to-Thunderbolt 2 adaptor in use to connect a Thunderbolt 1-SATA drive dock that's carrying the SSD extracted from the dead MBP.

Slack bastards, Apple. Tried using Migration Assistant on the new iMac to transfer stuff from the dead MBP's SSD. Nope, iMac needs a system update. Why does a new Mac NOT have the latest version of macOS installed?

4k 21.5-inch. 16 GB RAM, 1TB Fusion drive, 3.0 GHz quad core i5.

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I was going past the store on my way to a meeting so I left early.

Woot! I haz collected my new iMac!

Yet you're right. It's ready for pickup.

Unlikely.

It's the waiting that gets to me. I'm expecting the Apple Store to send me an email in 3 days saying my iMac is ready for pickup. Such anticipation!