You can hear this announcement here: http://www.ustream.tv/recorded/9492799 @ 00:26:25 onwards.
I don't know about anyone else but I'm extremely excited!
EDIT: Possible Cover Preview and tracklist
I think the cover will look something like this (from her manager's twitter)
05. Feel Your Groove
07. 渡良瀬橋 （duet with 森高千里）