Which Kumi albums are worth to buy?

[Surreal17]

So, like I've already said in the title, I want to know what are the best Kumi albums to buy regarding the packaging of the album (booklet, bonus disc etc.) (ONLY STUDIO ALBUMS)
I've been a fan for two years and I believe it's the time to buy 1-2 Kumi albums. My preferences are Feel my mind, Kingdom, TRICK, JAPONESQUE....but I don't know what to exclude...

So, please help me to choose! Priority are these 4 albums.