Dicer is a PC VSTi beatslicer which can load in samples and then splits it into slices, each slice has it's own audio properties and can be triggered separately. Dicer can do everything from simple tempo alteration to complex phrase synthesis
I've played around with the demo a little bit and it's a lot of fun. I'm pretty intrigued by the possibilities it opens inside Cubase. I had looked around for a plugin that did this a while back but only found Phatmatik Pro which I found to be buggy and kind of a pain to deal with.