Finally, it's official now! the next major GroupWise release, GroupWise 7 (Sequoia) will be launched during the GroupWise EMEA Summit in the Netherlands. This event takes place at the 28th and 29th of June in the Hague (http://www.groupwiser.net/summit).

Check this link for some screenshots and info:
http://www.novell.com/products/groupwise/newrelease.html