I have the Pi 8's lined up next to the Towers. I'm glad I left the Pi 2 Towers intact. I can switch between them, maybe you can see the switch in the gob of wires between the Bottleheads and the TT.
In anticipation of getting the 13microHenry coils and giving y'all some firsthand impressions, I'm practicing up articulating audio beaudacity and rewriting my bio.