I've owned a Digitech Vocalist Workstation EX, used the Digitech Vocalist VR, and currently own a TC Helicon VoiceWorks unit.
I'm very impressed with the sound quality and ease of use, of the VoiceWorks unit utilizing it mostly for in studio production. For 'live' performance, I use the conveniently 'built in' vocal harmonizer on the Yamaha Tyros. It doesn't sound as clean as the VoiceWorks, but for a live situation, the Tyros built in harmonizer more than adequately provides decent sounding backup vocal harmonies.
You can hear the TC Helicon 'VoiceWorks' utilized on my following MP3 songs:
* Ring Of Fire
* Things We Said Today
which are posted on my website:
http://scottyee.com then go to: Song Demos Page
Scott
