TweetDeck was a perfectly lovely Twitter client to begin with, but the app's new release brings a few welcome improvements. Among them: "flexible" columns that let you combine your Twitter and Facebook feeds into a single orgy of meal and location updates and retina display optimization. It looks good from afar! And we'll know for sure after we get an upclose look when the new TweetDeck is released "in the next couple of weeks." [TweetDeck via MacGasm]