I am going to purchase the new Taket Live supertweeter, want to see if it will take the SQ up further vs the Batpro 2s I presently have. Also, I am going to buy at least 1 set of Neodio Origine B2 Acoustic Purifiers. I have 2 sets of the original B1s and use them as footers under 2 of my integrated amps, in both cases a noticeable improvement in SQ. There's a review of the B2s by Roy Gregory on Gy8 if you have any interest in checking them out.
Not sure that I really want to go down the new amp route but if i do probably will look at either a Neodio Origine A2 integrated amp, or a Circle Labs A200 integrated amp.