Search Google or Yahoo while you type. A realtime preview shows up immediately.
Search in the Locationbar too. Search results are shown next to history and bookmarks.
Use Keywords. Just enter a keyword for a search engine and let Peers set this engine for you.
Use Site-Search for Last.fm, eBay, IMDb, Discogs, Wikipedia and many more sites.
Use Filters. Clarify the preview by using filters. There exist filters for many annoying sites.
Version 0.7.3
Runs with Firefox 3