bill - 8:46 am on Dec 27, 2011 (gmt 0)
HootSuite was one I tried and quickly gave up on. It's browser based on the PC, and I found it too slow compared to good old TweetDeck. Also, it costs $5.99/month if you want to use it seriously. The free account is limited to 5 columns of info, which is way too little for me.