Seems a few people were looking for this, so I ended up getting it elsewhere.

http://www.mediafire.com/?hudeggrmzmb
Password: gaggle

I do also have the other soundtracks:
Nana Best
Nana 707
Nana 7to8
Nana ED1 Single - A Little Pain
Nana ED3 Single - Kuroi Namida
Nana OP1 Single - Rose
Nana OP2/ED2 Single - Wish-Starless Night
Nana OP3 Single - Lucy
Anna Tsuhiya inspi' Nana
Olivia inspi' Reira
Nana 2 Movie Ending Single - Truth
Nana 2 Movie OST
Nana 2 Movie Theme Single - Hitoiro
Nana Movie Insert Single - Endless Story
Nana Movie OST
Nana Movie Theme Single - Glamorous Sky

It takes a while for me to upload, but if you want one, just ask. :D

Thanks, I was looking for this as well.
Gotta love Mika Nakashima. :)