I listened to Crystal's album and LOVED it! It's probably her best album overall. My only complaint would be some of the dance songs sound extremely similar which got kind of annoying towards the end. Nevertheless it's still a strong effort and one of the best J-Pop albums released this year without a doubt. "Yo Yo", "Come Back To Me", "Fly High" & "Memory Box" are among my faves.
Here's what I'd rank as the ten best J-Pop albums of 2012 so far:
01. Koda Kumi - JAPONESQUE
02. Namie Amuro - Uncontrolled
03. Crystal Kay - VIVID
04. Meisa Kuroki - UNLOCKED
05. m-flo - SQUARE ONE
06. After School - PLAYGIRLZ
07. RAINBOW - OVER THE RAINBOW
08. Miho Fukuhara - The Best of Soul Extreme
09. AI - INDEPENDENT
10. mini - Electro Hako Banban Picasso
I would recommend any of these albums for those who haven't heard them yet