Well, I've tried J-Pop once, and everything sounded like opening themes for animes, in my opinion. All of the songs I heard back then sounded really childish. Nevertheless, I might try it again, so we can see...
P.S.: I've never noticed that there was a thread for J-Pop.
Right Direction should have gotten #1. Isn't it its second year on the chart though? 
I love almost every song.
it's okay to invest a bit of time into something, y'know...