You had me at Thinkpad X230. Although the 220 keyboard is better IIRC.
(Corebooting was not needed to flash the bios, it just seemed fun at the time)
Them: "Woah, you just tip the screen computer down and it can project an immersive 3D holographic experience? That you can interact with directly? That's just so amazing!"
Us: "Woah, it's a X230? Even cooler if it had an X220 keyboard!"