Sounds like you had a fruitful "quickie". Always good to avoid cattle class!
I may go with Boss later this spring. He tried for longer layover in Osaka, but all he got was the short 12 hour. But, he has 55 in Beijing, so I'm China bound. Thanks for the tip on Kyoto Imp Palace; I'd love the see some of the gardens there. I was scratching my head trying to think why the wired internet was so hidden...