Had a first go with the PC3 fitted, running LDH's Mori map (mw919mori4), with mixed results. Pick up from 1k probably smoother; but around 2.5k it's really on/off, not smooth at all. But one big plus is the Stink has reduced massively!
Looking at the figures on the PC3 fuel tables, it looks like things are a little sensitive at or around 2.5k revs; from 2 to 2.5K, at 40% throttle, the fueling goes from -4 to +14.
I might try the Sato maps next; I'll work my way through the likely candidates and see if I can figure out the 'compare maps' function to get a feel for which way to go.
Hornet 900 (919) 2003. Leo Vince SBK cans.