As a comfort blanket for checking documents before you send them on, WhiteSmoke 2008+ Executive offers more than MS Word. It's full-featured and easy to use and picks up basic mistakes. But WhiteSmoke suffers from problems intrinsic to all automatic editors; without a human to make judgements, it will never be infallible. At $136.99 WhiteSmoke 2008+ Executive seems a little expensive to us, but the $79 General Writing version may suite your needs just as well.

EIOffice's familiar Microsoft-like interface makes the transition to an alternative office suite easier. However, the Binder system could scare off inexperienced computer users.