Twitter has become primary source of news for most bloggers and journalists, in order to accurately grab news from twitter you need to keep watch on latest tweets from users. You may use default twitter search but it would not be productive task.
To make it easier for you to keep watch on Twitter search here is Twicker twitter client based on Adobe AIR. Twicker is the first ever twitter client which focuses on Twitter Search. You can set the keywords you want to watch and the refresh rate.
Twicker will display results in nice avatar style eye candy, you can click on avatar to read the tweet. Also provides options of replying & re-tweeting.
Download Twicker Twitter Search Client.