yes I do!! I currently listen to the following:
-BoA
-Crystal Kay
-JYONGRI
-Leah Dizon
-sifow
-Tommy heavenly6
-Gyaruru
-Yuna Ito
-Koda Kumi
-Otsuka Ai
-Utada Hikaru
-Abe Asami
-Amuro Namie
-Hamasaki Ayumi
I don't really like male singers, so please stick to females.
EDIT - NO MORE PLEASE. I downloaded over 3GB of new J-Pop xD