The new Outlook Vista sidebar gadgets for
appointments 
and
tasks are nice, but they're very basic. The main problem I have with both gadgets is the font size. Not that it's huge, but I want it smaller so I can see more items. There is an option to have a "normal" or large view on both, which is nice. Just looking at it, I'd say they're about 1.5x and 2x the size of the Calendar gadget.