BlockNews or Usenet.farm seem like they could be good fits for your set up. Since you can already get what you want, it may be worth it to wait until Black Friday sales.

It’s in alpha. Closed testing only. You can try for an invite on the Squid discord later on.

The missing parts sounds like a provider issue, not an indexer one. Do you have a backup block on a different backbone?

I haven’t had any issues with controller support in any games, just the same as using an Xbox controller.

There is no native Linux software, so I use Winboat to run the software. You could also run it in a VM.

I only have the black controller, so I can’t comment on the white one

I have larger hands and have the Cyclone 2. Fantastic controller and my daily driver. I didn’t like the clicky face buttons but they’ve grown on me. Happy to answer any questions. No real issues across Linux or Windows.