Some great feedback, Mardoo. Thanks!
Ultimately I'm moving this more towards the controller, but note taken on the keyboard sensitivity. I think an overall sensitivity setting might be good anyways. Great advice.
As far as the neon retro part, I actually made a little demo video for the Discord group. Short version: it's a sample tilemap I made for a custom tool I build. And rather than complete do the art prior to a (possible) art round, I just used the demo one. Ended up fitting more than I expected. Video here: