I've been using AWIZ for several years and love it. I'm starting more paysites on a different server and looked at all the alternative CMS's and found AWIZ does just about everything the other CMS's do at a fraction of the price, plus it's a one off payment - no monthy commitment. So I got a second copy
Support is very fast and competent and the new version 6 manual was written by native English speakers and is easy to understand.