chiefie: .....does it support WM2003 and WM5 and Outlook on Contacts, Calendar, Tasks, Email etc? the usual Exchange-Outlook-ActiveSync combo.
Having installed it, no it doesn't. I see the 602LAN Suite beta website mentions Outlook integration, but there is none in this release. There are Thunderbird add-ins, for Calendar and Contacts (also LDAP integration, but I didn't try that), but they only bring up web pages.
As a web based Groupware product it's visually quite attractive and seems to hang together in quite an integrated manner, but it's a little rough around the edges in some places - timezones won't stick, pop-up boxes not in selected language, etc. However, it is a beta.