I think I got mine in the second or third wave or pre-order shipping. The right trackpad is worn smooth in the centre, I’ve replaced the joysticks with the Hall effect ones, not as an upgrade but because the originals finally failed. I upgraded the SSD to a 1TB. It’s been my constant companion for years now.
One day, there will be a Steam Deck 2, and I’ll probably upgrade. In the meantime I’m excited to see the Legion Go, especially the Steam OS version, because it means the market is there.
Basically. 99 Percent Invisible did a podcast on this very topic: Episode 468 Alphabetical Order