2 Edition will be available Limited Edition, and Regular.
I've pre-ordered the LE one for myself. I'm that kind of girl.
Limited Edition cover (source: CDJapan)
Regular Edition (source: CDJapan)
The LE comes with a DVD.
Where to buy:
CDJapan: LE / Reg
amiami: LE / Reg
CDJapan is offering a first press bonus: "CDJapan exclusive photo (Size: 8.9cmx 12.7cm) "
I ordered mine from CDJapan for 3143yen