For organization, I choose Airset.com

I don't know why I haven't written about Airset.com before, since I have been loving it for a few months now, but let me take a minute to share with you why I love this site and all that it offers me. 

I know many of you might already have contact management systems that do fancy things, and I don't know much about some of those, but I do know Airset and it is great.  I use it mostly for the calendars.  You can set up different calendars and then decide which of your contacts can view which calendar.   I have one for my immediate family, my work friends, non-work friends, clients, etc.  Then if you can get your contacts to sign up, they can share calendars with you.  

Then they have a color coding system where you assign a color to each group.  It makes it so much easier to read when everything is in different colors.

They also have an Airset blog, lists for your daily tasks,  and they've just added messaging, albums, and playlists.  You can do almost anything all in one place.  You can also sync airset to Microsoft Outlook and to your PDA.  I would seriously recommend that you view the website to see if you could become much more organized by using it.