Same Here. The homie Phil Morse from Digital DJ Tips reviewed it yesterday.
www.digitaldjtips.com It seems like some super basic stripped down program. Almost looks like a beta version of what Mixmeister looked like years ago. No looping, No cut/paste features. Just drag and snap to beat. Kind of a waste of money. They probably put it out to get everyones feedback on it.
Mashups? Try Acid, Ableton, Audition or whatever software. I knew a slew of the Crooklyn Clan guys use Mixmeister to create mashups. I guess this program isnt too far off.