TweetDeck recently lost Facebook integration and it was time to do something new and most importantly good, to make users keep using it. TweetDeck team at Twitter updated the look and feel of TweetDeck tomorrow.
Personally I am happy with the changes the navigation is better and the interface now look more neat and uncluttered.
It is better, but with no more Facebook and other services it is going to be tough for TweetDeck form now on, I have stopped using it since that happened but may be with the new feel I will be able to make the switch back to it.
via : Twitter Blog