I love Schepkin rhytmic pulse mastery as much as Feltsman sensible touch and unable to pick one over the other...
I too prefer piano to harpsichord but it does not impact my love for harpsichord...
I cannot live without any of the two ...
I prefer Bach on the piano. I have many harpsichord albums but always wind up preferring piano. My favorite Bach Pianist is little known: Sergey Schepkin, who records on the Boston based Ongaku label