I have 2 Swiss Micros and a pile of sapphire-chip designed-in-Corvallis USA-made HPs. The DM41x is pure joy in the hand. But I still texted the pink TI-84 EVO to my 16-year-old daughter because she doesn't like my stodgy TI-84 CE Plus (which I love).

Same story here. I still have the HP15C I learned assembly language on ;) None worse for the wear. They'll all come handy after the acopalypse.