The anti glare screen is amazing in sunlight. However, if you are like me and have very light coloured eyes, you probably also rely on sunglasses. The anti glare screen will not be compatible with polarized sunglasses. You will not be able to see a single thing.
You can just buy an aftermarket anti-glare screen. They are cheap.
You can change the SSD by yourself but you'll lose waranty. There's a noticeable speed difference between the eMMC and NVMe versions. There's no noticeable speed difference between the NVMe versions.
IMHO if can afford it and have a few technical skills buy the little one and install one of these. You might even want to wrap it in one these (there's a real leather option too) or these or replace the joysticks with these (can't get drift and have a much smaller deadzone).
Out of curiosity... Anyone use the Steam Deck as a computer beyond just gaming? I don't play games that much but I'd love a decent spec portable computer that I can also use to play video games, the price is quite generous given what its specs look like so...
Yes, I've been using it as my PC for about a year now, I do game on it but my primary reason for purchase was that it was just a great deal on a Linux machine.
I'm curious what makes it a great deal on a Linux machine? It seems like pretty niche (i.e. expensive) hardware for any other purpose than handheld gaming.