3.0 Exclusions
The Limited Warranty does not apply if the Hardware:
has been modified or repaired by anyone except a Valve-designated service center and the cause of the issue for which you seek service is the modification or repair, or damage caused by either;
Currently the only way I know of favoriting a magazine is via the excellent Kbin Subscriptions Panel userscript. The pen icon can be used to edit subscriptions and star magazines, after which they will appear at the top in the subscriptions panel. Quite handy!
A heads-up is to not cheap out too much on the choice of SD card. With a slow card, the SD card will have a much greater chance that data transfer will not be able to keep up with downloading speed, which in my experience causes all kinds of issues.
I'd personally recommend looking for UHS-I U3 and A2SDXC cards. Definitely stay away from A1 cards. I'm really happy with my Samsung EVO Plus, which was cheapish and great. SanDisk Ultra is a no-no, but anything SanDisk Extreme and up seems good.
For games that doesn't support Steam Cloud for saves etc., or in general moving files over to the Steam Deck from your PC, I highly recommend setting up Syncthing.
It's available on the Discover store in desktop mode and can be set up to run as a service to ensure that it's always running on Steam Deck, if you're so inclined. There's a myriad of guides out there if you search around, should you need help setting it up.
If you get your hands on a VR headset, I highly recommend Fallout 4 VR with something like Fallout 4 VR Essentials Overhaul. It makes the game into not only the ultimate way to experience Fallout 4, but also makes it into the best VR game - in my biased opinion.