Waiting on this...
http://blog.hotot.org/home
Because Gwibber Microblogging Client and Twitux aren't working at all (for Ubuntu 9).
Am i missing something?
So you wanna get TweetDeck rocking out on Ubuntu 9.04 64 bit?
First, you have to get Adobe Air installed:
Grabbed most of the important bits from http://www.bauer-power.net/2009/05/getting-adobe-air-to-work-in-ubuntu-904.html