If I could just get something to record all the ideas that come up while I'm in the middle of something and the juices are flowing that would be great. Maybe check my parts inventory to see I have all the stuff I'd need to act on it or look up reference information while it's at it. That'd be way better than my current strategy of jotting down a quick note and not looking at it again until I'm no longer in the zone and don't feel like doing anything.

Not putting a chip in my head though, it'd have to be some kind of self hosted thing I could talk to.