My actual laptop is a Librem 14 by Purism and it is amazing!! I would recomend also checking https://system76.com/laptops , https://es.starlabs.systems/ and https://minifree.org/ These all come with linux, are made with coreboot or libreboot installed and are privacy and security oriented.
Hey! No with GC Loader i dont know if they will make it work :( Either way you can activate boot through ipl on Swiss settings to at least enjoy the boot animation when opening a game! You have to name whichever wallpaper you want to use to just “backdrop.tpl” and put it in the Swiss folder on your SD card! You have the full tutorial to make your own backdrops inside the Download file, theres a text in english and another one in spanish there. Its pretty easy but requires using the terminal/console.