well i have 6 songs from her album on my laptop, and i will say that if u listen 2 the songs n full, u'll definitely feel differently about them. when i heard the snippets i wasn't really n2 it, but this is what i say now...

"Rollercoaster" is a hot song. i was so glad that she's singin out now! it actually mad me smile! her ad-libs @ da end of da track has her actually singin her butt off... 4 a Janet track that is. and i was impressed. she should definitely sing like this more often. its a hot beat as well
10/10

"Luv" is already a familiar song. not much 2 say about the track. hot beat, great whispery vocals, and very catchy.
9.5/10

"So Much Betta" is along the lines of a Britney "Blackout" track. its definitely a different sound 4 her. afta listenin 2 the song the first, u'll find urself noddin ur head 2 the robotic chorus, which really goes well w/ the song. i definitely luv how the bridge changes the beat a lil bit.
7.5/10

"The 1 ft. Missy" was a track when i listed 2 the snippet on Amazon. i think da beat is very reminiscint of Amerie's "1 Thing." Missy's lyrics r a lil nasty(threesomes, nookie), while Janet is b'n sexy w/out b'n raunchy @ all... very rare 4 her. but they make 4 a gud collabo. i can c this b'n a hot video and a great dance performance 4 Janet. The hook is very catchy as well
8.75/10

"2Nite" is my least favorite track. i hated it with the Amazon snippet, but i appreciate more w/ the full length version. i think its kind of a throwback JACKSON (especially Michael during the break of the song w/ all of her "c'mon's" and "baby's") record, while blending the new electronica thats becoming pretty big around the world. definitely won't b a single, but a very listenable track.
6.5/10

"Greatest X" is a nice lil ballad-like beat. honestly, i think it would have been better w/ a much stronger voice. Janet's thin vocals arent that bad tho. and the chorus is pretty decent... lyrically. won't b a single, but its pretty gud
6/10

overall: 8/10