HootSuite

 You might look at trying HootSuite for managing multiple social profiles.

Here's some info about it...you can:

Manage multiple social profiles
Schedule messages and tweets
Track brand mentions
Analyze social media traffic

The free service for HootSuite. OK if you have up to 5 social network accounts

Basic - FREE
Free Quick Reports
5 Social Profiles *
2 RSS/Atom Feeds
Ad Supported
* Limit of personally added social networks. You can have access to unlimited social networks as a team member.

Pro -$5.99/month
Unlimited Social Profiles
1 Free Team Member *
1 Free Enhanced Analytics Report
Google Analytics Integration
Facebook Insights Integration
Opt out of Ads
Archive Tweets
Unlimited RSS Feeds and more...

Here's a link to their site: http://hootsuite.com/