Here are the main features...
*. Twitter-micro blogging supported by default.
*. Send receive messages.
*. KWallet integration.
*. Incoming messages notifications.
*. Live picture thumbnails support for services such as Twitpic, YFrog, img.ly, plixi, Twitgoo and TweetPhoto.
|Intuitive configuration window...|
*. Flickr, ImageShack, Twitpic, Twitgoo, Mobypicture and Posterous... image uploading support.
*. Skype integration... are few to name.
So, if you want to install the latest builds using PPA (unofficial) in Ubuntu 10.10/11.04, then open your terminal and issue the below command...
sudo add-apt-repository ppa:adilson/experimental
sudo apt-get update && sudo apt-get install choqok