GreenBrowser is another popular IE front providing many features IE lacks including tabbed-browsing, built in pop-up stopper, download control, interface skinning, built-in search engines and form autofill plugings and much more. Check out the Homepage for a list of plugins that GreenBrowser supports.
View: ChangeLog
View: GreenBrowser Homepage
Download: GreenBrowser v2.2 Build 0623
News source: BetaResource