Here's the translations from their presscon. thanks to my japanese friend for the translation.
F4 Messages (Presscon) Jerry: Glad to visit JP in all 4. Hope I will be able to show something different F4 from before. In solo part,I would like to show many change of Jerry.
Ken: Talks about solo part, I didn't show you dance as I am not really skilful with hands and feet. But this time,I show you tap dance in solo. Hope it will be something break through about myself. After Ken talked this, Vic made fun of Ken.
Vic: Completely different produce from 2006 HK concert. Using 3D.
Vanness: Though I used to show dance a lot, this time I brought my band, so plz pay attention to the music.
And the news say, rehearsal seems to have been going very smooth