Steam Deck Upgrades
Absolutely sick of the 512GB space limit on my Steam Deck so I grabbed a 2TB SSD for mine. The swap is pretty easy, but very nervewracking taking something like this apart.
GBA SP
I have nearly modded and upgraded all the main Game Boys. I don't want to do a Micro, and I just have a DMG left to do.
Modding Game Boy Color
There's a time and a place for ROMs. With original hardware and software getting more and more expensive, they're the only reasonable option for most people. But part of the fun for me is in messing about with stuff!