I have a problem… I know this… 🙂
From L to R:
Dell Latitude C610 – Pentium III (not sure if Coppermine or Tualatin) 1GHZ, 256MB RAM, OpenBSD (for now!)
Surface Pro 4 256GB/8GB (Windows 11)
MacBook Pro Mid 2015 (8GB RAM) – macOS Monterey
(Behind the MBP – iPad mini 1st generation
Lenovo Miix 320 – Atom x5, 4GB RAM – Fedora 38 Xfce spin
MacBook 2015 8GB – macOS Big Sur
Lenovo Miix 320 (another one!) – Fedora 38.
Not pictured: PowerBook 150, or desktop machines yet.