Yahoo's new search engine/application Yahoo Alpha is available as "beta" today. It looks much better than original yahoo search, also, it's a personalized search page. You can change the layout of the page and personalize the same. There are widgets kind of collapsible blocks on the right side, interestingly, the sponsored links are also hidden at first.

Speaking of search, today I'll be attending Yahoo Bigthinkers at Bangalore. The topic for today is Web Search and Online Communities
by Andrew Tomkins, Director of Search Research, Yahoo! I'll update the blog with details once I return from the event.