Beta for Android was released today. You need to have a Tweetdeck account, (Like any Tweetdeck user) to sign up for the Beta. TweetDeck's posterous - All things TweetDeck.
So far I am loving it. However they have an issue with FB feeds for the moment, and I don't think it's exclusive to Android. For example, someone posted something on FB, and it shows up 10 times as duplicates.
-And, no widget. This could be a great app. I think it is already. But a widget would make this a "killer app". This could knock the default Twitter and FB widgets off my homescreen.
-It's fast. The interface is smooth and responsive. Scrolling speed and smoothness is impressive.