I like Chick's earlier work, myself. It's not earth-shattering, but the work with Pete La Roca, Blue Mitchell, Woody Shaw, etc. is pretty sweet. I also dig mightily on Circle.
Don't care so much for anything after that, though.
If I'm not mistaken, Miles discussed Herbie as a "tinkerer," always looking for new sounds and combinations, which explains the attraction of electric instruments and so forth.