A home theater/media center (HTPC) can enhance your experience. You get more reliable playback and better loudness normalization than a smart TV or Chromecast.
The Jellyfin media server can enrich your media collection with metadata from online sources. The price may be free, but the cost is metadata for metadata.
Why I uninstalled Plex Media Server after over a decade and migrated my movie and TV show collection to Jellyfin instead of Emby.
Lenovo’s contender to the stick-PC market runs Windows 10 but doesn’t even have enough storage space to perform upgrades. Linux may be the better option.