i had the chance to listed to the kaede 3 last year and compare it to kaede 2 when i visited the ocharaku tea shop last year. it's pretty close using AK SP1000 and LPGT. i do remember incremental improvements in sound stage and depth but not a big leap. decision wise, i would have loved to buy one, however, what i failed to know earlier was otochan did not have a credit card terminal
sorry i couldn't expound more. i didn't take notes, but enough for me to want to buy 1. tonality is very close though, but slight improvements mentioned above.