Keeping up with multiple sites

There are so many social networking sites today that its hard to keep up with all of them.  Wouldn’t it be nice to be able to just stay in one?  Maybe in a perfect world or perhaps when one has no choice. On the other hand, one would question why bother to keep up with all of them.  For one thing, some friends or relatives are on one site while the rest are on another or the next.
We would like to keep to one website but there are some many formats to choose and each has its advantages.  Also, the other reason for me is that I want to try out different things specially as I need to be able to explain to clients what are available and what does which.  So like right now, I have my original site using Joomla and this one using WordPress.  I’m trying to get my thoughts posted but unless I can get everyone to remember my site url and visit this, nobody would know what has been updated.
So after some playing around with the wordpress plugin, I found this site called LinksAlpha.  This will allow you to post to your WordPress account and once you publish your blog, it will update the different social networking sites that you have linked to it.
Linksalpha prides itself with the slogan “Post Once. Publish Everywhere”  and can publish to more than 30 sites so you don’t have to go to each one.  But for the free one account, you can have up to 5 sites with choices from Twitter,  Facebook.  Linkedin, MySpace, Identi.ca, Foursquare, Windows Live, WordPress , among others.  The other sites however don’t come free and these include Tumblr, Yahoo, Yahoo Meme, and Google Buzz.
This is my first post with Linksalpha so we’ll see if this shows up in my Twitter and Facebook accounts.
Incidentally, LinksAlpha can be accessed as http://www.linksalpha.com/