Well just google it and read some reviews.
[i]"Enhancements include built-in tap tempo capability and a delay/hold time of up to 5,200ms with sound-on-sound recording.
A new Reverse mode makes it easy to get trippy 60s and 70s-style effects, while the newly designed Warp mode creates radical delay effects on the fly"[/i]
The warp mode is crazy. And the hold is fantastic for layering up. Great for post-rock types, hehe