Recently, there have been surplus in twitter applications. And as the twitter popularity grows the number of twitter applications is only going to increase.
Sadly enough our Blackberry dint have any good looking, dashing feature-full twitter client yet. Though the client is not exceptional on GUI, it fills the gap by integrating advanced features like search, twitpic. TweetGenius might become a tough competitor for twitterberry.
At $9.99 its a steal. Currently they are offering Bold and Curve 8900 versions for sale with 50% percent off. Go grab it.