Just launched has the new realtime search engine CrowdEye. The search engine is searching Twitter posts and conversations. Beside this realtime facility stats are displayed along with the search results showing the timeline of activities for particular topics. Beside general up to date Tweets the search results do include popular links, top hashtags and popular terms. A filter function enables to narrow the search results.
Here is a little update: The stats are clickable and enable to access the particular Tweets within the timeline.
Directory Sources: Social Search Engines