WinZip 10.0 Beta (Build 6604)
 

WinZip 10.0 includes major usability enhancements, improved compression technology and, is now available in a Standard and a Professional version. Both the Standard and Professional versions are made available in one distribution file. Functionality is determined by either a Standard or Professional registration code.
http://www.winzip.com/betawz.cgi

Thank you for the post Fisher.