Maple 8.0 (Prof. 32$) is out, with a better editor, but neither with a better tree, nor with better search.

Efficient Notes (3-pane!) is halfprice, 15 instead of 30$.

Efficient Lady's Organizer is halfprice, 40 instead of 80$.

For a screenshot that'll make you blind, see the second one here, fully blown-up, and yes, this is groupware:

http://www.efficientsoftware.net/business-ladysorganizer/screenshots.htm

So much for the non-competitors.