The latest in metasearch engines appears to be Fastoise (presumably rhymes with “tortoise” if the graphic is any indication). Fastoise searches across search engines Yahoo! and Bing (both of which use Bing’s search tool), YouTube and Twitter.
Results are separated into four columns, with images from the search across the top. I could not see any related RSS feed or alert service, but results can be shared across Twitter, Facebook and Google+ (the newest social network).