As a lot of you already know:
http://www.rememberthemilk.com/
This is a nice new tool for writing a to do list and get notifications whereever you want…
I found this at RWW in the survey of “what are your favorite web app”
The winner was Twitter 
(my Twitter: Michael1980) and the Adobe Air client Twirhl also was in that list
here is the complete result:
http://www.readwriteweb.com/archives/favorite_web_apps_of_rww_readers.php
