returning briefly to give kudos to mac’s dashboard. widgets are beyond cool! check out these guys:
http://www.starrynight.com/ (a look at the night time sky from your zip code. configurable!)
i also have a one click search for wikipedia, a translation tool that whips my words into twelve languages (!!), and er… more than i can remember without looking again! so there!
damn, i love this mac. :)
addendum — heh, screenshot!