New to pi (and potatos)

I’m new to this sector of computing, but quite interested in the potential of small systems. I often take salvaged office computers (and even an outdated gaming rig) and give them new life with a Linux install. The ability to have decent power in a handheld package with all the customization of a PC is impressive. Naturally, I have some questions:

  1. What are good sites or references for reading up on what I can do with something like the Potato? I figure you might be able to give better references than a search engine.
  2. How well does Le Potato handle streaming music and movies? I have an old office machine for running streaming at home, but being able to take it on the road would be nice.
  3. What kind of performance should I expect using Le Potato for retro-gaming / emulation? What would be the limit of what it could handle?
  4. Has anyone had any luck making a Potato into a PotatoPilot? Battery-powered with a touchscreen interface like a tablet or old palm pilot.

For my questions above, if there is a specific distro or model of computer you recommend, please let me know.

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